Bennett Fitness has an enrollment fee of $80. There is also a $25 fee per month of membership. Write an expression to represent the total cost of m months of membership. Caryn wants to get into shape of an upcoming backpack trip. She will work out in a gym for 6 months. How much would Bennett Fitness cost for 6 months? A new gym, Alliance Gym offers no enrollment fee and costs $40 per month of membership. Should she join Alliance Gym or Bennett Fitness? Explain your reasoning.