Posted by **Alison** on Wednesday, April 9, 2014 at 9:50pm.

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

- math -
**Ms. Sue**, Wednesday, April 9, 2014 at 9:59pm
(50 - 22.5) / 0.15 = ______

- math -
**Reiny**, Wednesday, April 9, 2014 at 9:59pm
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

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