Math/Algebra

[Guest]

Speedy Car Rental gives its customers 150 free miles a day on cars they rent.It charges $0.12 per mile for any miles beyond the first 150 miles.

Judy rents a car from Speedy for a day and puts 227 miles on it. How can she compute her total cost for mileage?
A.227 miles-($150 miles x $0.12)

B.150 miles x $0.12

C. (227 mlies - 150 miles) x 0.12

Please Explain how you get your answer. Please and Thank-You!

Bowier4

 

[mattgad]

Its C.

227 miles are put on, but the first 150 are free (So we take away 150 to leave us with the miles to be paid for).
So 77 miles are to be paid for at 0.12 each (x 0.12).