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Mathematics, 12.07.2019 15:40 tpenn2476
There are 11 books on a shelf. 5 of these books are new. (a) what is the ratio of new books to used books? (b) what is the ratio of used books to all books?
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There are 11 books on a shelf. 5 of these books are new. (a) what is the ratio of new books to used...
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