Rebekah manages a yoga studio that charges each customer a one-time initial fee of $ 35 $35dollar sign, 35 and an additional fee of $ 12 $12dollar sign, 12 per class taken. Rebekah's goal is for each customer to spend at least $ 100 $100dollar sign, 100 at the studio, and she wants to know the minimum number of classes a customer needs to take to meet that goal.