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Mathematics, 04.08.2019 22:00 myohmyohmy

Alibrary contains 2000 books. there are 3 times as many non-fiction books as fiction books. write and solve a system of equations to determine the number of non-fiction and fiction books.

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Alibrary contains 2000 books. there are 3 times as many non-fiction books as fiction books. write an...
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