If the constraint 3x1 + 4x2 + (d1-) - (d1+) = 250 measures hours, then:

A) 3x1 + 4x2 is equal to the actual time spent.
B) if d1- is equal to 25, then 3x1 + 4x2 must equal 25.
C) overtime could be represented by d1-.
D) hours can take only an integer value.

Answer: A

Business

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