Question

John purchased a membership at a new gym. To join he had to pay an initial fee of $80 plus $20 per month. For one year his cost is $320. Identify the rate of change. ANSWER CHOICES ON PICTURE

Answer 1

12

Explanation:

It's 12, because you would multiply the monthly rate (20) by the number of months in a year (12) because the question asks "for one year".

20*12=240

240 +80 = 320