Since the car rents for $22.50 per day and you are charged $.15 per mile, how many miles could you drive and not spend over $50.00

Answer 1

(50 - 22.5) / 0.15 = ______

Answer 2

number of miles ---- m

.15m + 22.5 ≤ 50
.15m ≤ 27.5
m ≤ 183.333..

Suppose you drive 183 miles
cost = 183(.15) + 22.50 = 49.95 , still good
suppose you drive 184 miles
cost = 184(.15) + 22.5 =50.10, oops, we are over

so you can drive 183 miles and still be under $50