The point at which the maximum value of z = x + y subject to the constraint x + 2y ≤ 70, 2x + y ≤ 15, x ≥ 0, y ≥ 0 is
A. (36, 25)
B. (20, 35)
C. (35, 20)
D. (40, 15)
Answer:D
The point at which the maximum value of z = x + y subject to the constraint x + 2y ≤ 70, 2x + y ≤ 15, x ≥ 0, y ≥ 0 is
A. (36, 25) B. (20, 35) C. (35, 20) D. (40, 15)