A business owner wants to have the front window of her store painted and is considering two artists for the job. Wendy has quoted a flat rate of $450 for the job. Vincent's quote is $16 per hour, plus $50 to cover the cost of materials. Depending on how long it takes Vincent to paint the window, these two could end up charging the same amount. How much would it cost? Write a system of equations, graph them, and type the solution.