ori9shyygLULRun ori9shyygLULRun

31-12-2016
Mathematics

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There are 11 books on a shelf. 3 of these books are new ? what is the ratio of used book and new book?

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KurdishPotato KurdishPotato

31-12-2016

The ratio of total books to new books = 3/11
The ratio of new books to old books 3/8

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