Mathematics
Mathematics, 04.12.2020 06:10, tintinayeir2567

Derek has $20 to spend on used books hard cover books cost $5 each and a paperback book cost $2 each complete the equation which determines the number x of hardcovered books and the number y of paperback books he can buy

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Derek has $20 to spend on used books hard cover books cost $5 each and a paperback book cost $2 each...

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