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October 21, 2014

October 21, 2014

Posted by **Amy** on Wednesday, November 28, 2012 at 9:26pm.

- Algebra -
**Reiny**, Wednesday, November 28, 2012 at 10:08pmcost of lodging ---x

cost of golf ------ y

4x + 3y = 443.50

7x + 5y = 765.5

1st times 5 --> 20x + 15y = 2217.5

2nd times 3 --> 21x + 15y = 2296.5

subtract them

x = 79

back in #1

etc

- Algebra -
**Amy**, Wednesday, November 28, 2012 at 11:06pmThank you so very much.

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