Solve the linear programming problem using the simplex metho
Solution
z = 2x1 +5x2
5x1 +2x2 <=80
x1 +x2 <=70
x1, x2 >=0
Tableau #1
x1 x2 s1 s2 s3 s4 p
5 2 1 0 0 0 0 80
1 1 0 1 0 0 0 70
1 0 0 0 -1 0 0 0
0 1 0 0 0 -1 0 0
-2 -5 0 0 0 0 1 0
Tableau #2
x 1 x2 s1 s2 s3 s4 p
5 2 1 0 0 0 0 80
1 1 0 1 0 0 0 70
-1 0 0 0 1 0 0 0
0 1 0 0 0 -1 0 0
-2 -5 0 0 0 0 1 0
Tableau #3
x1 x2 s1 s2 s3 s4 p
5 2 1 0 0 0 0 80
1 1 0 1 0 0 0 70
-1 0 0 0 1 0 0 0
0 -1 0 0 0 1 0 0
-2 -5 0 0 0 0 1 0
Tableau #4
x1 x2 s1 s2 s3 s4 p
2.5 1 0.5 0 0 0 0 40
-1.5 0 -0.5 1 0 0 0 30
-1 0 0 0 1 0 0 0
2.5 0 0.5 0 0 1 0 40
10.5 0 2.5 0 0 0 1 200
Optimal Solution: p = 200; x1 = 0, x2 = 40
