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April 18, 2014

Homework Help: 4th Grade Math

Posted by Sean on Thursday, January 8, 2009 at 9:31pm.

300 exercise books are arranged into 3 piles. The first pile has 10 more books than the second pile.
The number of books in the second pile is twice the number of books in the third pile. How many books are there in the third pile?

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