Peter’s Pizza Shop calculates the price for its pizzas by charging either $4 or $9 for the base (depending on whether it is a small or large pizza) and then adding 80¢ for each meat topping (chicken, ham, bacon or beef) and 40¢ for anything else. If an individual pizza costs more than $10 then its price is reduced by 10%. Delivery of the order costs $5 regardless of the number of pizzas.
I want to buy a large pizza with chicken, bacon and mushrooms and a small pizza with ham and mushrooms, and have them delivered.
How much will I have to pay?