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December 18, 2014

December 18, 2014

Posted by **judyanne** on Thursday, January 13, 2011 at 9:18pm.

- algebra -
**helper**, Thursday, January 13, 2011 at 10:01pmx = number of child's plates

y = number of adult

x + y = 250

3.50x + 7.00y = 1347.50

solve these two equations together and solve for x and y

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