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August 21, 2014

August 21, 2014

Posted by **es** on Thursday, January 3, 2013 at 7:30am.

I did 40>or=15+6x

-15 to each side

25/6> or=6x/6

4.17> or = x so he can buy 4 at most

Is this correct?

Thanks

- math -
**Anonymous**, Thursday, January 3, 2013 at 8:46am( 40 - 15 ) / 6 = 25 / 6 = 4.166

4 posters

Total cost :

15 + 4 * 6 = 15 + 24 = 39 $

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