SOLUTION: If Mary drove 525 miles in 7 hours at an average speed of 75 miles per hour, how fast would her average speed need to be to make the trip in 5 hours?

SOLUTION: If Mary drove 525 miles in 7 hours at an average speed of 75 miles per hour, how fast would her average speed need to be to make the trip in 5 hours?

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Question 418146: If Mary drove 525 miles in 7 hours at an average speed of 75 miles per hour, how fast would her average speed need to be to make the trip in 5 hours?
Answer by edjones(8007) (Show Source): You can put this solution on YOUR website!
525/5=105 mph
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