math

Joe bought 24 books at 3 for $5.and had $2 left.how much money did he has frist

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  1. 24/3 = 8 sets of books at $5 each.
    That's $40

    so, Joe started with $42

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  2. Ryan bought 3 similar books and a magazine. He paid $30 to the cashier and received $5 change.if the magazine cost twice as much as each book,find the cost of the magazine.

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