Which two expressions could be used to solve this problem? roberto ordered 4 pepperoni pizzas, 2 mushroom pizzas, and 3 cheese pizzas for his party. he paid the same price for each pizza. the total cost was $90. how much did each pizza cost? choose exactly two answers that are correct. a. 4 × 2 × 3 b. 90 – 24 c. 90 ÷ 9 d. 90 obelus divided by(4 + 2 + 3)