When formulating a constraint, care must be taken to ensure that
a. all the objective function coefficients are included.
b. there are no inequalities in the mathematical expression.
c. the decision variables are set at either maximum or minimum values.
d. the units of measurement on both sides of the constraint match.
d
RATIONALE: When formulating a constraint, the units of measurement on the left-hand side of the constraint must match the units of measurement on the right-hand side.
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