Question

A customer pays an annual membership fee of $85 to a neighborhood car wash. Each time he takes his car to the car wash, he pays only $7. The total amount of money he spends at the

car wash in one year in dollars can be found using the function y = 7x + 85. What does the
variable x represent in this function?

Answer 1

Amount of times he goes to the car wash.

Step-by-step explanation: Variable x represents the amount of times he goes to the car wash because we already know he spends $85 a year for his membership and then again $7 everytime he goes. That means the last variable left is how many times he goes in that year. So say if he goes 5 times in a year, it would be y=7(5)+85 which equals 120. So he would have paid $120 for going to the carwash 5 times and being an annual member.

Hope this helps!