1) The maximum value of 2x+y subject to 3x+5y ≤ 26 and 5x+3y ≤ 30, x ≥ 0, y ≥ o , is A) 12 B) 11.5 C) 10 D) 17.33 Answer: Option AExplanation:We have , Maximize Z= 2x+y Subject to constraints 3x+5y≤26 5x+3≤30 x≥0,y≥0 The graph of in equality are Maximum value of z=12