Karan needs to choose between two gym plans. He can either pay a $150 joining fee and a $10 monthly fee, or he can pay a $50 joining fee and a $30 monthly fee.
On what month will the cumulative costs of the plans be equal, and what will those total costs be
Answer: Karan will pay a cumulative cost of___?___ dollars with either plan to go to the gym for __?__ months.