Min Z = 20x + 10y Subject to: x+y >= 100 2x + 2y = 20 y >= 50 x >= 0 y >= 0

Min Z = 20x + 10y Subject to: x+y >= 100 2x + 2y <= 300 x >= 20 y >= 50 x >= 0 y >= 0 what are the coordinates of the optimal solution and the value of the objective function