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Posted by on Wednesday, December 8, 2010 at 8:26pm.

A set of books fills a shelf that is 24in long each book is 3/4 inch thick. How many books are in the classroom shelf?

Would it be 18 ???

  • 5th grade math - , Wednesday, December 8, 2010 at 8:28pm

    No, divide 24 by 3/4. remember you need to multiply by the opposite of the fraction so it is 24 times 4 and dived by 3 :)

    answer:32

  • 5th grade math - , Wednesday, December 8, 2010 at 8:29pm

    24 / (3/4)

    (24/1) * (4/3) = 96/3 = 32 books

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