+409 A gym charges members $40$40 for a registration fee, and then $38$38 per month. You became a member some time ago, and now you have paid a total of $534$534 to the gym. How many months have passed since you joined the gym?
+201 fixed question: A gym charges members 40 for a registration fee, and then 38 per month. You became a member some time ago, and now you have paid a total of 534 to the gym. How many months have passed since you joined the gym?
solution: we subtract 40 from 534 to get 494, and 494/38=13
