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April 1, 2015

April 1, 2015

Posted by **Spandita** on Friday, August 29, 2014 at 11:32am.

- Math -
**MathMate**, Friday, August 29, 2014 at 8:57pm36 students

B:G = 3:1 = 27 : 9

Add x girls,

27/(9+x)=9/5

Solve for x by cross multiplication.

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