[" 27.Maximize : "],[qquad [" 27."x+y" ,subject the constraints: "],[x-y<=-1,-x+y<=0,x>=0,y>=0]]

Maximise Z=2x+3y subject to the constraints x+y 0 , y>0

Maximize : Z = x + y ,subject to the constraints: x - y le -1, -x + y le 0, x ge 0, y ge 0

Optimal solution of the LPP, Maximize Z=3x+4y subject to the constraints x+y =0,y>=0 is

Minimize and Maximize Z = 3x + 9y subject to the constraints x+3ylt=60 x+y gt=10 xlt=y x gt= 0 , y gt= 0 by the graphical method .

Solve the following linear programming problem graphically : Maximize : z = 4x + y Subject to the constraints : x + y le 50 3x + y le 90 x ge 0, y ge 0

Graphically minimize and maximize z = 7x + 5y subject to the constraints: x+y le 50, x + 2y le 100, x -y ge 10 x, y ge 0 .

Solve the following linear programming problem Graphically : Maximize Z = 11 x + 5y , subject to the constraints : 3x + 2y le 25, x + y le 10, x, y ge 0 .

Solve the following linear programming problems graphically : Maximize : Z = x + 170y subject to the constraints 3x+2y le 6, x+4y le 16, x, y ge 0 .

Maximize: Z = -x + 2y , subject to the constraints: x ge 3, x + y ge 5, x + 2y ge 6, y ge 0 .