Gabby's Gym charges members an initial joining fee of $300 plus $50 per month.So members can calculate how much they have paid to the gym using the formula, C = 50m + 300, where m is the number of months they have been members.Will's Workout Center charges $65 per month with no initial fee.So members of Will's can calculate their charges using the formula, C = 65m, wheremis the number of months they have been members. What is the number of months that indicate the cost to belong to Will's Workout Center is cheaper than the cost to belong to Gabby's Gym.