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?
Algebra ->
Customizable Word Problem Solvers
-> Travel
-> 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?
Log On
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):
