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July 25, 2014

July 25, 2014

Posted by **Lisa** on Tuesday, October 2, 2012 at 5:40pm.

- math -
**Ms. Sue**, Tuesday, October 2, 2012 at 5:44pmLet x = the number of girls.

x + x + 9 = 25

2x = 25 - 9

2x = 16

x = 16/2

x = 8

- math -
**Shelly**, Tuesday, October 2, 2012 at 5:45pmsuppose the number of girls in class is x

then, the number of boys is x+9

x+(x+9)=25

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