John and his friend order lunch at a local sandwich shop that each order a soft drink that cost $1.65 John orders a horse ham sandwich and his friend where is a half of a ham sandwich there total bill is $12.54 what equation can you use to find the cost of C

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?