Question: Solve the following integer problem with the branch-and-bound (B&B) -method and answer the questions. Start by choosing x as the branching variable in node 0

Solve the following integer problem with the

Solve the following integer problem with the branch-and-bound (B&B) -method and answer the questions. Start by choosing x as the branching variable in node 0 and perform a width-first search. min z= 3x1 + 6x2 Subject to 7x1 + 3x2 > 40 when X1, X2 are integers, greater or equal to zero. (a) How many nodes are in the complete solution tree? (b) How many subproblems are infeasible in the complete tree? (c) How many subproblems have integer solutions

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