Aaron has punch cards for his favorite tea house and his favorite coffee shop. He currently has 3 punches on the tea punch card and 1 punch on the coffee punch card. Given
his regular routine, he consistently earns 1 new punch per week on the tea punch card and 2
on the coffee punch card. Before too long, Aaron will have the same number of punches on
each card. How long will that take?
Write a system of equations, graph them, and type the solution.