Later, the teaching assistant in Yvette’s economics course gives her some advice. "Based on past experience," the teaching assistant says, "working on 30 problems raises a student’s exam score by about the same amount as reading the textbook for 1 hour." For simplicity, assume students always cover the same number of pages during each hour they spend reading. Given this information, in order to use her 4 hours of study time to get the best exam score possible, how many hours should she have spent working on problems, and how many should she have spent reading?

Answers

Answer 1

Answer:

Yvette

To get the best exam score possible, Yvette should spend 2 hours working on problems and 2 hours reading.

Explanation:

a) Data and Calculations:

Total study time = 4 hours

Number of problems solved = 30

Hours reading textbook = 1 hour

Score obtained from problem solving = 50%

Score obtained from reading textbook = 50%

Therefore, number of hours to spend working on problems = 2 (4 * 50%)

Number of hours to spend reading - 2 (4 * 50%)


Related Questions

You have $100,000 to invest in a portfolio containing Stock X and Stock Y. Your goal is to create a portfolio that has an expected return of 12.1 percent. Stock X has an expected return of 10.28 percent and a beta of 1.20, and Stock Y has an expected return of 7.52 percent and a beta of .80.
a. How much money will you invest in Stock Y? (A negative answer should be indicated by a minus sign. Do not round intermediate calculations and round your answer to 2 decimal places, e.g., 32.16.)
b. What is the beta of your portfolio? (Do not round intermediate calculations and round your answer to 3 decimal places, e.g., 32.161.)
a. Investment in Stock Y
b. Portfolio beta

Answers

Answer:

a. Amount to invest in Y

The amount that will be invested in Stock Y should be such that the expected return of the portfolio would equal 12.1%.

This would be determined by the weights of the stock.

Assume the weight to be invested in X is x.

Portfolio return = (weight of X * Return of X) + (weight of Y * Return of Y)

12.1% = (x * 10.28%) + ( (1 - x) * 7.52%)

0.121 = 0.1028x + 0.0752 - 0.0752x

0.121 - 0.0752 = 0.1028x - 0.0752x

0.0458 = 0.0276x

x = 0.0458 / 0.0276

= 1.6594

Weight in stock Y:

= 1 - 1.6594

= -0.6594

Amount to invest in Y:

= -0.6594 * 100,000

= -$65,940

b. Portfolio beta

It will be a weighted average of the betas of the two stocks:

= (Weight of stock X * Stock X Beta) + ( Weight of stock Y * Stock Y beta)

= (1.6594 * 1.20) + (-0.6594 * 0.80)

= 1.46

Commercial banks, savings and loan associations, and credit unions: Group of answer choices deposit their excess funds with the U.S. Treasury. accept deposits and make loans. specialize solely in loaning money for home mortgages.

Answers

Answer:

accept deposits and make loans.

Explanation:

Credit union is a form of financial institution owned by members of the union. The union provides financial services similar to the services provided by commercial banks

A commercial bank is a financial institution that accepts deposits from customers, provide loans to customers and provide financial products t costumers. Only commercial banks. deposit their excess funds with the U.S. Treasury.

A  savings and loan associations is a financial institution that specializes in helping customers get residential mortgages.

The characteristic that these three financial institutions share is that they accept deposits and make loans

The Nearside Co. just paid a dividend of $1.65 per share on its stock. The dividends are expected to grow at a constant rate of 5 percent per year, indefinitely. Investors require a return of 12 percent on the stock. a. What is the current price

Answers

Answer:

$24.7

Explanation:

The first step is to calculate D1

1.65(1+5/100)

1.65(1+0.05)

1.65(1.05)

=>1.73

Therefore the current price can be calculated as follows

= D1/required rate-growth rate

= 1.73/0.12-0.05

= 1.73/0.07

= 24.7

Hence the current price is $24.7

A company purchased a computer system at a cost of $26,000. The estimated useful life is 8 years, and the estimated residual value is $4,000. Assuming the company uses the double-declining-balance method, what is the depreciation expense for the second year

Answers

Answer:

the depreciation expense for the second year is $4,875

Explanation:

The calculation of the depreciation expense for the second year is given below:

First the depreciation rate should be

= 1 ÷ 8 × 2

= 25%

Now the first year depreciation is

= $26,000 × 25%

= $6,500

Now the second year depreciation should be

= ($26,000 - $6,500) × 2

= $4,875

Hence, the depreciation expense for the second year is $4,875

Broker Brad accidentally deposited his commission in the trust fund account instead of his business account. Because it remained in the account for more than 25 days, he is guilty of:

Answers

Answer:

Commingling non-trust funds with trust funds

Explanation:

Trust funds

This is simply known as money or other valuable items that is received by the broker on behalf of another individual.

Non-trust funds

This are simply real estate commissions, general operating funds, rents and deposits.

Commingling

This is simply the act of combining a client's money with the agent's personal funds and it is illegal. It is the act of putting or depositing rent and security deposit into the trust account. When a Commissioner audits the account and sees either commingling of trust funds, the court may issue an order to restrain the broker from further mishandling of trust funds and from practicing real estate. It is a violation of real estate law if the trust account is commingled and it is considered commingling when the trust funds are first deposited into the general brokerage account and then transferred to the trust account.

If a licensee is found guilty of conversion of trust funds

1. There will be a revoke the license of the licensee.

2. The assets of the licensee may be sold to recover the converted funds.

3. The receiver account may be imposed on the licensee's assets in order to find and recover the converted funds.

Calculate gross profit for the following situation: National Storage Company had sales of $1,000,000, sales discounts of $2,500, sales returns and allowances of $15,000, and a cost of goods sold of $525,000.

Answers

Answer:

$475,500

Explanation:

Sales is $1,000The discountscount is $2500

Sales return and allowances are $15,000

The cost of goods sold is $525,000

Therefore the gross profit can be calculated as follows

= 1,000,000-2,500-15,000-525,000

= 457,500

Hence the gross profit is $475,500

Grapefruit, Inc. provides the following information for 20X8: Net income $39,000 Market price per share of common stock $20/share Dividends paid $0.75/share Common stock outstanding at Jan. 1, 2018 110,000 shares Common stock outstanding at Dec. 31, 2018 155,000 shares The company has no preferred stock outstanding. Calculate the dividend yield for common stock.

Answers

Answer: 3.75%

Explanation:

Dividend yield = Annual dividend / Common stock market price

Annual dividend = 0.75 per share

Common stock market price = $20 per share

Dividend yield = 0.75 / 20

= 3.75%

You would like to have enough money saved to receive $80,000 per year in perpetuity after retirement for you and your heirs. How much would you need to have saved in your retirement fund to achieve this goal

Answers

Answer:

$1,000,000

Explanation:

The full question is shown below:

You would like to have enough money saved to receive $80,000 per year in perpetuity after retirement for you and your heirs. How much would you need to have saved in your retirement fund to achieve this goal? (Assume that the perpetuity payments start one year from the date of your retirement. The annual interest rate is 8 percent.)

In order to receive $80,000 per year forever, one needs to save the present value of the annual  cash flow using the present value formula for perpetuity as provided below:

PV of perpetuity=annual cash flow/annual interest rate

PV of perpetuity=$80,000/8%

PV of perpetuity=$1,000,000

Research on the increasing rate of teenage pregnancy with research methods

Answers

Answer:

Ghana constitute to record high rate of Ap.Recent national report shows that 11percent of adolescent age 15 to 19 had had a live birth of which 3 percent with first child and 14 percent has began childbearing

69.5% teenage people are pregnance

A particular forecasting model was used to forecast a six-month period. Here are the forecasts and actual demands that resulted: FORECAST ACTUAL April 244 344 May 318 468 June 393 493 July 343 293 August 368 268 September 443 568 a. Find the tracking signal for each month.

Answers

Answer:

MONTH    TRACKING SIGNAL

April                    1

May                    2

June                   3

July                     3

August                2

September         3

Explanation:

Given the data in the question;

   A              B                C              D          E            F                   G

Month     Forecast     Actual      Error     |Error|     RSFE          MAD

                                                                              cumulative

                                                    C-D       |C-D|       of D          

April             244         344          100        100        100            100.00

May              318          468          150       150         250           125.00

June             393         493          100       100         350           116.67

July               343         293         -50        50          300           100.00

August          368         268        -100      100          200           100.00

September   443         568        125        125          325            104.17

the tracking signal for each  month will be;

Tracking Signal =  

Running Sum of Forecast Errors (RSFE) / Mean Absolute Deviation (MAD)

so substitute

Month of APRIL;

Tracking signal = 100 / 100.00  = 1

Month of MAY;

Tracking signal = 250 / 125.00  = 2

Month of JUNE;

Tracking signal = 350 / 116.67 = 2.9999 ≈ 3

Month of JULY;

Tracking signal = 300 / 100.00 = 3

Month of AUGUST;

Tracking signal = 200 / 100 = 2

Month of SEPTEMBER;  

Tracking signal = 325 / 104.17 = 3.11 ≈ 3

Therefore,

MONTH    TRACKING SIGNAL

April                    1

May                    2

June                   3

July                     3

August                2

September         3

A company has already incurred $7,200 of costs in producing 6,000 units of Product XY. Product XY can be sold as is for $31 per unit. Instead, the company could incur further processing costs of $10 per unit and sell the resulting product for $35 per unit. Should the company sell Product XY as is or process it further

Answers

Answer: Sell as is or lose $36,000

Explanation:

If the company sells as is, they could sell at a price of $31 per unit.

If they process further and sell at $35, they would incur a cost of $10 per unit which leaves them with profit of:

= 35 - 10

= $25

This is lower than the selling price if they sell as is and will therefore give a loss of:

= (31 - 25) * 6,000 units

=- $36,000

Company should sell as is so as not to lose $36,000

When the selling division in an internal transfer has unsatisfied demand from outside customers for the product that is being transferred, then the lowest acceptable transfer price as far as the selling division is concerned is:

Answers

Answer: c. the market price charged to outside customers

Explanation:

When a division is able to sell its products to customers outside the company for a certain price but instead has to transfer these to another division in the company, the minimum transfer price will have to be the selling price to the customers outside so that the division would not make losses.

The division that this good is transferred to will then reflect the cost of acquiring the goods as that selling price. This cost will be accounted for when the new division wants to sell their own goods that way this cost will be recuperated on a company level.

Explain what unearned revenues are by choosing the correct statement below. Multiple choice question. Unearned revenues refer to income reported on the income statement. Unearned revenues refer to cash received in advance of providing a service or product. Unearned revenues refer to amounts owed to the company that have not yet been billed. Unearned revenues refer to customer payments which have not yet been received.

Answers

Answer:

Unearned revenues refer to cash received in advance of providing a service or product.

Explanation:

The unearned revenue is the amount i.e. collected in advance prior a service or the product is to be delivered. The same is to be shown as the liability on the balance sheet

So it is the cash received in advance before providing the service or product

Therefore the above statement represent an answer

A company borrowed $10,000 from the bank at 5% interest. The loan has been outstanding for 45 days. Demonstrate the required adjusting entry for this company by completing the following sentence. The required adjusting entry would be to debit the Interest __________________ account and ___________________ the Interest ___________________ account.

Answers

Answer:

The required adjusting entry would be to debit the Interest expense account and credit the Interest payable account.

Explanation:

The number of days that a loan debt stays unpaid is referred to as the outstanding number of days.

In line with the general accounting rules, all expenses must be debited. Therefore, the interest expense has to be debited.

Interest payable, however, is the amount owed to a lender by a firm and is thus credited as the matching journal entry to the interest expense.

Therefore, we have:

The required adjusting entry would be to debit the Interest expense account and credit the Interest payable account.

Zach attended Champion University during 2014-2018. He lived at home and was claimed by his parents as a deduction during the entire duration of his education. He incurred education expenses of $15,000 during college of which $3,750 was paid for by scholarships. To finance his education, he borrowed $9,500 through a federal student loan program and borrowed another $5,500 from a local lending institution for educational purposes. After graduation, he married and moved with his spouse to a distant city. In 2019, he incurred $950 of interest on the federal loans and $550 on the lending institution loan. He filed a joint return with his spouse showing modified AGI of $113,500. What amount of student loan interest can Zach and his spouse deduct in 2019, if any

Answers

Answer:

The amount of student loan interest can Zach and his spouse deduct in 2017 is $1,125

Explanation:

The amount of student loan interest can Zach and his spouse deduct in 2017 is $1,125

The amount of student loan interest can Zach and his spouse deduct in 2017 is

Education Expenses:

= $15,000 Incurred Expenses - $3,750 Scholarship

= $11,250

$11,250 / $15,000 = 75%

Interest Incurred:

= $950 Federal Loan Interest + $550 Lending Loan Interest

= $1, 500

$1,700 x 90% = $1,125

The CEO of Fly Corporation decides to change an accounting method at the end of the current year. The change results in reported profits increasing by 5%, but the company's cash flows are not changed. If capital markets are efficient, then what would happen to the company stock price? Justify your answer with logical arguments

Answers

Answer:

Fly Corporation

The stock price will not be affected by the accounting change.

Explanation:

This opinion is based on the assumption that the capital markets are efficient.  Therefore, the stock's market price will reflect all available and relevant information.  Since all the necessary information is already incorporated into the stock price, the CEO of Fly Corporation cannot beat the market by the change in accounting method, and the stock price will not be undervalued or overvalued.  Moreover, the change in accounting method only shifts the timing for reporting income.

Bonita Industries uses flexible budgets. At normal capacity of 21000 units, budgeted manufacturing overhead is $168000 variable and $360000 fixed. If Bonita had actual overhead costs of $546000 for 26000 units produced, what is the difference between actual and budgeted costs

Answers

Answer:

$22,000 Favorable

Explanation:

The computation of the difference between actual and budgeted cost is given below:

Budgeted Variable Manufacturing Overhead Per Unit is

= $168,000 ÷ 21,000 units

= $8

The Fixed Overhead = $360,000

Now

For 26,000 Units, total Overhead Should be:

Variable = 26,000 × 8 = $208,000

Fixed = $360,000

Total = $568,000

And,  

Actual Overhead Cost = $546,000

So,  

Difference between Actual and Budgeted Cost is

= $568,000 - $546,000

= $22,000 Favorable

The following transactions occurred during July:
1. Received $900 cash for services provided to a customer during July.
2. Received $2,200 cash investment from Barbara Hanson, the owner of the business.
3. Received $750 from a customer in partial payment of his account receivable which arose from sales in June.
4. Provided services to a customer on credit, $375.
5. Borrowed $6,000 from the bank by signing a promissory note.
6. Received $1,250 cash from a customer for services to be rendered next year.
What was the amount of revenue for July?

Answers

Answer:

$1,275

Explanation:

Calculation to determine the amount of revenue for July

Using this formula

Revenue=Cash received for services provided+Services provided customer on credit

Let plug in the formula

Revenue=$900 + $375

Revenue = $1,275

Therefore the amount of revenue for July is $1,275

Hollywood Construction Company recognizes revenue over time according to percentage of completion for its long-term construction contracts. During 2018, Hollywood began work on a $3,000,000 fixed-fee construction contract, which was completed in 2021. The accounting records disclosed the following data at year-end:

Cumulative contract costs incurred Estimated costs to complete at end of year
2018 $200,000 $1800,000
2019 $1100,000 1100,000
2020 2,000,000 4,00,000

For the 2020 year, Hollywood should have recognized gross profit on this contract of :___________

Answers

Answer:

Recognized gross profit on this contract for the 2020 year = $100,000

Explanation:

Note: See the attached excel file for the Calculation of Recognized Gross Profit on this contract for the 2020 year (in bold red color).

In the attached excel file, Recognized Gross Profit for Each Year is calculated using the following formula:

Recognized Gross Profit = Revenue for Current Period - Actual Cost Incurred

From the attached excel file, we have:

Recognized gross profit on this contract for the 2020 year = $100,000

Which of the following approaches for calculating the market value of a property involves estimating the dollar value associated with replacing the property new, as well as determining the loss in value due to physical, functional, and external obsolescence?

a. income approach
b. sales comparison approach
c. cost approach
d. Investment approach

Answers

Answer:

c. cost approach

Explanation:

The cost approach is a real estate valuation method in which the price estimated regarding the buyer that have to pay for the property and the same is equivalnet to the cost for creating a buidling.

Here the property value should be equivalent to the land cost also add the construction cost and minus the depreciation expense

So as per the given situation, it is the cost approach that determined the market value of the property

While preparing your risk responses, you identify additional risks. What should you do? Add reserves to the project to accommodate the new risks and notify management. Document the risk and calculate the expected monetary value based on the probability and impact of the occurrences. Determine the risk events and the associated costs, then add the cost to the project budget as a reserve. Add 10 percent contingency to the project budget and notify the customer

Answers

Answer: Document the risk and calculate the expected monetary value based on the probability and impact of the occurrences.

Explanation:

Risk response refers to the development of strategic options to reduce the threats and enhance opportunities to the objectives of the project.

It should be noted that when new risks are identified, such risks go through the process of risk management and one needs to be able to know the risk probability and risk impact and then get to curtail them.

Conoly Co. has identified an investment project with the following cash flows. If the discount rate is 10 percent, what is the present value of these cash flows? What is the present value at 18 percent and at 24 percent? Year 1, 2, 3, and 4 Cash Flow $1,200, 600, 855 and 1,480 respectively

Answers

Answer:

Present Value when discount rate is 10% = $3240.01

Present Value when discount rate is 24% = $2432.40

Present Value when discount rate is 18% = $2,731.61

Explanation:

Present value is the sum of discounted cash flows

Present value can be calculated using a financial calculator

Cash flow in year 1 = $1,200

Cash flow in year 2 = 600

Cash flow in year 3 = 855  

Cash flow in year 4 = 1,480

Present Value when discount rate is 10% = $3240.01

Present Value when discount rate is 24% = $2432.40

Present Value when discount rate is 18% = $2,731.61

To find the PV using a financial calculator:

1. Input the cash flow values by pressing the CF button. After inputting the value, press enter and the arrow facing a downward direction.

2. after inputting all the cash flows, press the NPV button, input the value for I, press enter and the arrow facing a downward direction.  

3. Press compute  

The common stock of Eddie's Engines, Inc. sells for $45.68 a share. The stock is expected to pay $4.10 per share next year. Eddie's has established a pattern of increasing their dividends by 6.2 percent annually and expects to continue doing so. What is the market rate of return on this stock?
a. 15.18 percent
b. 7.26 percent
c. 8.98 percent
d. 17.67 percent
e. 11.14 percent

Answers

Answer:

no entiendo la verdad es que yo hablo español y no entiendo ajaj espero te ayude

Explanation:

15.18

The financial reporting for private not-for-profit entities primarily focuses on: Multiple Choice basic information for the organization as a whole. standardization of the fund information that is reported. inherent differences of various not-for-profit entities that impact reporting presentations. distinctions between current fund and noncurrent fund presentations.

Answers

Answer: basic information for the organization as a whole.

Explanation:

Private Not-for-profit organization as the term implies, are not operating to make a profit therefore their financial statements will generally not include measures that are aimed at showing profit like profit making organizations.

They will instead focus on talking about the entire organization as whole and what it has done so far in the current period. This is what is required of them by U.S. GAAP.

Freya and her team resolved several problems and came up with some great techniques during their latest project. What should they do to help improve the performance of future projects?

Answers

They should do identifying and documenting the lessons that are learned for improving out the performance of upcoming projects

The performance of the upcoming projects should depend upon the following information:

Return on investment.Cost of quality.Cost performance.Cycle time of the project.ProductivityPlanning the strategy, identifying it, analyzed it, and executed it.

These above factors should be for the performance

So in order to improve the performance of the upcoming projects. we should do the identification and documenting the lessons that are learned.

Learn more about the performance here: brainly.com/question/9285397

life assurance forms part of...... insurance?​

Answers

Answer:

Life insurance

Explanation:

XYZ Confectionary has a number of store locations throughout North America. In income statements segmented by store, which of the following would be considered a common fixed cost with respect to the stores?

a. store manager salaries
b. store building depreciation expense
c. the cost of corporate advertising aired during the Super Bowl
d. cost of goods sold at each store
e. none of the above

Answers

Answer: c. the cost of corporate advertising aired during the Super Bowl

Explanation:

Commmon fixed cost simply means the cost that cannot be traced to a single department.

From the options given, it can be noted that the store manager salaries, store building depreciation expense and the cost of goods sold at each store can be identified separately for the stores.

On the other hand, the cost of corporate advertising aired during the Super Bowl is used for the promotion of the entire company, therefore, it's the common fixed cost.

K. Decker, S. Rosen, and E. Toso are forming a partnership. Decker is transferring $50,000 of personal cash to the partnership. Rosen owns land worth $15,000 and a small building worth $80,000, which she transfers to the partnership. Toso transfers to the partnership cash of $9,000, accounts receivable of $32,000 and equipment worth $39,000. The partnership expects to collect $29,000 of the accounts receivable.
Account Titles and Explanation: Debit Credit
(To record invstment of Decker)
(To record investment of Rosen)
(To record investment of Toso.)
What amount would be reported as total owners?

Answers

Answer:

the total owners amount should be $222,000

Explanation:

The computation of the amount that should be reported as the total owners is given below:

= K decker + rosen + tosa

= $50,000 + $80,000 + $15,000 + $9,000 + $32,000 + $39,000 - ($32,000 - $29,000)

= $50,000 + $95,000 + $77,000

= $222,000

Hence, the total owners amount should be $222,000

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Answers

Answer:

नजषनदजदनददजसकसककसकसकनसनसजसजसजसकस भने त्यो मस्त निद्रामा हिड्ने गरेको मेरो हो मेरो नाम बिबस कि भन्ने लाग्छ के भनौ भने पनि त्यो थाहा भयो कि भएन भन्ने कुरा पनि उल्लेख गर्नु रे ु च चय उनले सन् उo Bibas is hero DC COAII, y

A project is expected to generate annual revenues of $132,100, with variable costs of $80,200, and fixed costs of $20,700. The annual depreciation is $4,750 and the tax rate is 35 percent. What is the annual operating cash flow

Answers

Answer:

$21,943

Explanation:

Calculation to determine the annual operating cash flow

Using this formula

Operating Cash Flow =(Annual Revenue-Variable costs - Fixed costs)×(1-Tax rate)+( Annual depreciation×Tax rate )

Let plug in the formula

Operating Cash Flow =[ ($132,100 - $80,200 - $20,700) x (1 - 0.35)]+ ($4,750 x 0.35)

Operating Cash Flow =

Operating Cash Flow =($31,200×0.65)+$1,663

Operating Cash Flow =$20,280+$1,663

Operating Cash Flow =$21,943

Therefore the annual operating cash flow is $21,943

Other Questions
Think about the consequences Ghost faces as a result of his decision to steal a pair of running shoes. Do you think that the way that Coach punishes him is fair? What would the consequences have been if Ghost had been stopped by the police instead? What would the consequences have been if his mother had discovered the theft? What would have happened if Ghost had never been caught? Why might it have been better for him to get caught? Explain. Civil WarWhich reconstruction plan was used after the Civil War?a.The Lincoln Reconstruction Plan.b.The Initial Congressional Plan.c.The Andrew Johnson Reconstruction Plan.d.The Radical Republican Reconstruction Plan. what is reductionasim evaluate the expression. check all possible sets that the solution may belong in. 40-5^2 Which federal agency enforces regulations for product advertising and labeling? Office of the Comptroller of the Currency Federal Deposit Insurance Corporation Securities and Exchange Commission Bureau of Consumer Protection Find the surface area of a cylinder with a base diameter of 6yd and a height of 8yd.Write your answer in terms of pi, and be sure to include the correct unit. The density of an aqueous solution containing 25.0 percent of ethanol (C2H5OH) by mass is 0.950 g/mL. (a) Calculate the molality of this solution. m (b) Calculate its molarity. M (c) What volume of the solution would contain 0.275 mole of ethanol Summarize - His white T-shirt was splattered with blood. I just stood there, tremblingwith sudden cold. I thought he might be dead; surely nobody could bebeaten like that and live. (p.32)Write 3 sentences that summarize the events connected to this passage.Pls help The book is THE OUTSIDERS Find KL IJ=9 JK=11KL? what is the measure of angle k? What elements are appropriate to include in the conclusion of an argumentative essay? Check all that apply. a transition from the body of the essay a restatement of the essay writers opinion a rebuttal of counterclaims a brief summary of the supporting reasons a new but related essay topic You are going to write a short story. Use a story from your own life or a story in the news. Plan the story using the five-part structure.1. Where did it happen? 2. What was the weather like? Who was there? What were they doing? 3. What went wrong?4. What surprising event happened? Who was there? What were they doing? 5. Did the story have a happy or sad ending? what are the meanings of on & in? as far as i know, on refers to something is above of something else, in refers to something is inside of something. trnh by ngha ca sinh vin vi mn hc t tng h ch minh Function f(x) =ax +b where a and b are integers and a Starch and protein digestion in a single stomach? State three types of maintenance. Explain the tradeoffs involved in setting an ideal level of inventory for aparticular product. What are the costs if too much is maintained? What arethe costs if too little is maintained? Marla noticed that her friend Ron had three times as many pieces of candy as she did. She told him, "If you give me seven pieces of your candy, we'll have exactly the same number of pieces." Ron responded, "I didn't know that until you mentioned it. But I'll make you a deal: If you can show me how to solve this puzzle using algebra, I'll give you the seven pieces. "One minute later, Ron was shocked to see that Marla had solved it perfectly. Can you do the same? Pls Help! I'll mark the correct answer brainliest