The maximum of z = 5x+2y , subject to the constrainsts `x+yle7,x+2yle10,x,yge0` is

The maximum value of z = 4x +2y subject to the constraints 2x+3yle18,x+yge10,x,yge0 is

The maximum value of z = 4x +2y subject to the constraints 2x+3yle18,x+yge10,x,yge0 is

The maximum value of P = 3x +4y subject to the constraints x+yle40,2yle60,xge0 and yge0 is

The maximum value of P = 3x +4y subject to the constraints x+yle40,2yle60,xge0 and yge0 is

The point of which of the maximum value of z= x+y subject to contraints x+2yle 70,2x+yle 90,x ge 0,yge0 is obtained at

maximize z=60x+15y, subject to the constraints x+yle50,3x+yle90,x,yge0.

The maximum value of Z=2x+3y subject to the contraints : x+yle1, 3x+yle4, xge0, yge0 is :

The maximum value of Z=3x+5y subject to the contraints : x+yle4, xge0, yge0 is :

The maximum value of Z=4x+5y subject to the contraints : x+yle4, xge0, yge0 is :