What is a slack? Explain with an example
What will be an ideal response?
The slack is the difference between the right- and left-hand sides of a constraint.
For example, consider the following constraint:
7x + 8y ? 168
If the optimal values of x and y are 5.25 and 10.5 respectively, the slack can be calculated as:
168 - (7 × 5.25 + 8 × 10.5 ) = 47.25
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