a pile of books is 84cm thick if thickness of each book is 4 cm then what is number of books in pile
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a pile of books is 84 cm thick
thickness of each book is 4 cm
so, no of books=(pile of books) / (thickness of each book)
then, no of books = 84/4 = 21
there 21 books
thickness of each book is 4 cm
so, no of books=(pile of books) / (thickness of each book)
then, no of books = 84/4 = 21
there 21 books
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