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Mathematics, 13.04.2021 01:00 apexdude2020

A library is having a used book sale. All hardcover books have the same price and all softcover books have the
same price. You buy 4 hardcover books and 2 softcover
books for $24. Your friend buys 3 hardcover books and
3 softcover books for $21. What is the cost in dollars of a
hardcover book?

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A library is having a used book sale. All hardcover books have the same price and all softcover boo...

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