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March 29, 2015

March 29, 2015

Posted by **heather** on Wednesday, May 9, 2012 at 2:34pm.

- math -
**Reiny**, Wednesday, May 9, 2012 at 3:11pmset up the ratio

7/x = 2/3

cross-multiply

2x = 21

x = 21/2

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