Question: Question 3 ( 2 0 points ) : Solve the following knapsack problem by branch - and bound: m a x x 1 , x

Question 3(20 points): Solve the following knapsack problem by branch-and bound:
maxx1,x2,x3,7x1+9x2+12x3
s.t.3x1+5x2+7x312
,xiin{0,1},i=1,2,3
Question 3 ( 2 0 points ) : Solve the following

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