Question

A self-serve car wash charges $5.43 to use its facilities, plus an additional $0.57 for each minute the customer is at the self-serve car wash. If Tiffany was at the car wash for 6 minutes, how much was she charged?

Answer 1

equation would be y=5.43+.57m
let m stand for minutes
y= 5.43+.57×6
y=18.57