Roger wants to know if he has enough money to purchase several items. He needs three heads of lettuce, which cost $.99 each, and two boxes of cereal, which cost $3.49 each. He uses the expression (3 × $0.99) + (2 × $3.49) to calculate how much the items will cost.Which of the following expressions could also be used?

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Roger wants to know if he has enough money to purchase several items. He needs three heads of lettuce, which cost $.99 each, and two boxes of cereal, which cost $3.49 each. He uses the expression (3 × $0.99) + (2 × $3.49) to calculate how much the items will cost.Which of the following expressions could also be used?