Mathematics, 12.12.2019 02:31, sofialarrea13

Nate bought 3 hardcover books and 7 paperback books and spent $29.50. tia bought 2 hardcover books and 5 paperback books and spent $20.50. what is the cost of a hardcover book?

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Mathematics, 21.06.2019 20:00, cielo2761

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Nate bought 3 hardcover books and 7 paperback books and spent $29.50. tia bought 2 hardcover books a...