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11-01-2018
Mathematics

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Bob has 3 bookshelves that hold a total of 27 books.He adds a 4th shelf and know has 36 books.if he adds 2 more shelves,how many books can he have in total?

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11-01-2018

Multiply 5 times 9 then 6 times 9 and add all the number of books. Hope this helps

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