If I drive my car 54 miles per hour on a full tank of gas, it will run for 8 hours. For every mile per hour I speed up, the car will run 10 minutes less. For every mile I slow down, the car will run 10 minutes more.

A. In terms of x, for how many hours will my car run?

B. What is the longest distance I can go on one tank of gas?

C. What speed would I need to go in order to go this distance?

Guest Oct 16, 2021