Posted by **Tiffany** on Monday, September 14, 2009 at 1:01pm.

Minimize w= y1+y2+4y3

subject to y1+2y2+3y3>=115

2y1+y2+y3<=200

y1+ y3>=50

with y1 >=0 y2>=0 y3>=0

- University of Phoenix -
**bobpursley**, Monday, September 14, 2009 at 1:19pm
Graphics is too hard for me to use with three variables. Here is a good outline how to use Excel (and compariable) spreadsheets.

http://www.cob.sjsu.edu/anaya_j/LinPro.htm

- University of Phoenix -
**Tiffany**, Monday, September 14, 2009 at 6:06pm
THe sign change in row three is not a sign change it is a misprint it really is and >= sign.

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