SOLUTION: you and a friend take turns driving on a 450 mile trip. Your friend drives for 3.5 hours at an average speed of 60 miles per hour. What must your average speed be for the remainde

Question 635818: you and a friend take turns driving on a 450 mile trip. Your friend drives for 3.5 hours at an average speed of 60 miles per hour. What must your average speed be for the remainder of the trip if you want to reach your hotel in 4 more hours?
Answer by graphmatics(170) (Show Source): You can put this solution on YOUR website!
We subtract the miles traveled from 450 and divide by the desired number of hours to get the required speed.

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