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September 20, 2014

September 20, 2014

Posted by **tierra** on Monday, June 27, 2011 at 12:35pm.

- geometry -
**Ms. Sue**, Monday, June 27, 2011 at 12:38pmLet x represent the boys in the classroom. Cross multiply and solve for x.

4/10 = x/30

10x = 120

x = 12

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