The maximum value of 5x + 7y subject to constraints x + y ≤ 7, x ≥ 0, y ≥ 0 is :
The maximum value of 5x + 7y subject to constraints x + y ≤ 7, x ≥ 0, y ≥ 0 is :
(A) 35
(B) 49
(C) 0
(D) None of these
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