SOLUTION: i need help in this question that i have. Can you please help. it says: A car travels 440 miles in 8 hours. Write and solve a proportion to determine the average speed of the car.

Question 694456: i need help in this question that i have. Can you please help. it says: A car travels 440 miles in 8 hours. Write and solve a proportion to determine the average speed of the car.
Answer by unlockmath(1688) (Show Source): You can put this solution on YOUR website!
Hello,
We know speed equals miles divided by time.
So we can plug in the values and solve:
440/8 = 55 miles per hour
To set this up as a proportion:
440/8 = x/1 hour
Cross multiply:
440=8x
Divide by 8 and we get:
55 mph
Make sense?
RJ
www.math-unlock.com
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