Posted by **Randy** on Tuesday, December 4, 2012 at 10:28pm.

A car rental company charges $24 per day plus $0.75 per mile driven.

a) Let C = total cost; D = number of days and M = number of miles

b) Write the equation for the total cost in terms of C, D and M

c) Use the equation to determine the total cost for a customer who rented the car for seven days and drove four hundred sixty-three miles?