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Mathematics, 27.10.2020 01:20 pringlexavier798

Shane's rare book collection contains 40 books. He donates 1/5 of his books to the national library, sells 1/4 of his books to a rare book dealer, and sells 4 books on eBay. How many books remain in Shane's book collection?

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Shane's rare book collection contains 40 books. He donates 1/5 of his books to the national library,...
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