oliviacarvalho101 oliviacarvalho101 18-03-2020 Mathematics contestada At a sandwich shop, any sandwich costs $4.50, plus $0.25 for each extra topping. a. How much does a sandwich cost with 3 extra toppings? b. How much does a sandwich cost with 13 extra toppings? c. If andre’s sandwich cost $2.00 more than clare’s sandwich, how many more toppings did Andre add to his sandwich?