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December 19, 2014

December 19, 2014

Posted by **Chelsea** on Wednesday, January 27, 2010 at 11:30pm.

- Math -
**PsyDAG**, Thursday, January 28, 2010 at 10:36amLet x = adult's tickets and y = children's tickets

x + y = 77

Therefore, x = 77 - y

7x + 5y = 443

Substitute 77 - y for x in the second equation and solve for y. Put value into first equation to find x. Check by putting both into the second equation.

I hope this helps.

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