just get the area for all of them and add legth time width
According to his GPS, it will take Lanny 1 hour to travel 40 miles. Which expression shows how to determine the speed in miles per hour?
40 miles ÷ 1 hour
1 hour ÷ 40 miles
1 mile ÷ 40 hours
40 hours ÷ 1 mile
Answer:
40 ÷ 1
Step-by-step explanation:
Speed = Distance : Time
Speed = 40 ÷ 1