Question

A self-serve car wash charges $5.34 to use its facilities, plus an additional $0.78 for each minute the customer is at the self-serve car wash. If Tiffany was at the car wash for 5 minutes, how much was she charged?

Answer 1

T = 5.34 + 0.78m

T = 5.34 + 0.78 * 5

T = 5.34 + 3.9

T = 9.24

Tina was charged $9.24 at the car wash for 5 minutes.

Answer 2

At the car wash, Tina was charged $9.24
For 5 minutes.