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16-11-2018
Mathematics

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There are 13 books on a shelf 4 of these books are new. a. What is the ratio of all books to used books.(b) what is the ratio of used books to new books

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aairahmubashar0607 aairahmubashar0607

16-11-2018

a.)To find the ratio you would do 13 minus 4 to get used. You get 9 used books and 13 book in all. The ratio is 13/9

b.) 9/4 is ratio

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