Mathematics, 26.10.2020 22:00 shashi2728

An online bookstore sells all paperback books for x dollars each. Aidan bought 7 paperback books and spent $3.95 on shipping. Nina bought 11 paperback books and spent $5.25 on shipping. What expression represents the total amount that Aidan and Nina spent?

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An online bookstore sells all paperback books for x dollars each. Aidan bought 7 paperback books and...