Question

it costs 100$ to join a fitness center plus a monthly fee. you spent 700$ last year at the fitness center. how much was the monthly fee?

Answer 1

50?

Answer 2

how do you know

Answer 3

700-100=600: Because this is asking for the monthly fee, which will not include sign up.
600/12: there are 12 monthes in a year.
So, $50 dollars a monh.