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July 23, 2014

July 23, 2014

Posted by **Kirk** on Friday, March 26, 2010 at 9:17pm.

students are in the class?

- math/hurry -
**Reiny**, Friday, March 26, 2010 at 9:23pmRatio of boys : girls = 5:7 or how about 5x : 7x

so 5x = 15

wouldn't there be 5x + 7x or 12x students ?

take it from here.

- math/hurry -
**Jen**, Friday, March 26, 2010 at 9:59pm5/7=15/x, x=21

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