math,help

and then this one as well :

state the dual problem for each linear programming problem.

minimize w =y1+y2+4y3
subject to: y1+2y2+3y3 >=115
2y1+y2+8y3>=200
y1 +y3 >=50
with y1>=0, y2>=0, y3>=0

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asked by jas

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