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Mathematics, 23.05.2020 16:58 hiddenauthors436

Derek has $20 to spend on used books. Hardcover books cost $5 each and paperbacks cost $2 each.

Part A
Complete the equation which determines the number x of hardcover books and the number y of paperback books he can buy.

x + y =

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Derek has $20 to spend on used books. Hardcover books cost $5 each and paperbacks cost $2 each.
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