Posted by **mike** on Saturday, December 26, 2009 at 10:20am.

w+x=32

y+z=8

w+y=22

x+z=18

220w+300(32-w)+400(22-w)+180(8-y)=9280

,

w+y=22

I was able to solve for w and y but keep coming up with fractions for x and z

- Algebra -
**drwls**, Saturday, December 26, 2009 at 10:50am
The equations do not seem to be independent. #1 and #3, and #2 and #4, when subtracted, both lead to

x - y = 10.

There is probably no unique solution.

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