The graph of = 400 and the graph of = 50 – 200 intersect at the point (12,400). if the equation = 50 – 200 represents the profit, , based on sales, what does the intersection best represent?

Arestaurant offers delivery for their pizzas. the total cost the customer pays is the price of the pizzas, plus a delivery fee. one customer pays $23 to have 2 pizzas delivered. another customer pays $59 for 6 pizzas. how many pizzas are delivered to a customer who pays $86?