A80 - 20 = $60 for registration and 15 + 5 = $20 every month. 20x + 60= cost of Muscle FitnessĀ
B) Tom's brother is wrong. They cost the same amount. Platinum Gym cost's $20 a month and $60 for registration as well as Muscle Fitness. There is no better deal or worse deal. They cost the same amount.