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Mathematics, 24.10.2019 03:00 mastershadow2018

Roland has 3 paperback books and 4 hardcover books. each hardcover book is worth $11 more than each paperback book. if the value of all of his books is $79, what is the cost of one paperback book?

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Roland has 3 paperback books and 4 hardcover books. each hardcover book is worth $11 more than each...
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