The airport garage charges $5 to park for the first hour and then $3.50 an hour for any additional hours. Ben paid $57.50 to park there one day when he flew to another city. How many hours was he parked at the airport?

Question

Mathematics

Christine Saunders

13 March, 06:01

The airport garage charges $5 to park for the first hour and then $3.50 an hour for any additional hours. Ben paid $57.50 to park there one day when he flew to another city. How many hours was he parked at the airport?

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Answers (1)

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Giuliana Rich · Answer 1

This is a linear function. Total charge = $57.50 = $5 + ($3.50) x

Then $52.50 = ($3.50) x, and x = ($52.50) / ($3.50) = 15.

Ben parked there for 15 hours.