The sign-up fee to join Big Mike's gym is $30. The monthly fee is $25. James has paid $205 in fees since he joined the gym. Which equation could be used to determine the number of m months that James has paid a fee to the gym? A) 30 + 25m = 205 B) 25 + 30m = 205 C) 30m + 25m = 205 D) (30 + 25)m = 205