SOLUTION: Car rental agency A will rent a compact car for $40 per day and an additional charge of $0.20 per mile. Car rental agency B will charge only $0.16 per mile but charges $51 per day.

Question 206261: Car rental agency A will rent a compact car for $40 per day and an additional charge of $0.20 per mile. Car rental agency B will charge only $0.16 per mile but charges $51 per day. If Adam wanted to rent a car for four days, how many miles would Adam have to drive to make car rental agency B a better bargain?
Answer by checkley77(12844) (Show Source): You can put this solution on YOUR website!
4*40+.20x=4*51+.16x
160+.20x=204+.16x
.20x-.16x=204-160
.04x=44
x=44/.04
x=1,100 miles is the break even mileage.
Thus plan B is a better buy when more than 1,100 miles are driven.
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