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22-03-2016
Mathematics

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the ratio of the weight of a book to the weight of a mug is 7:5 what fraction of the total weight of the book and mug is the weight of the book?

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PersonWHoNeedsHelp13 PersonWHoNeedsHelp13

22-03-2016

12:7
because you add 7 and 5 and then there is the 7 for the book weight

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