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  • 14-05-2023
  • Business
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The constraint (x1 + x2 + x3 + x4 + x5 = 3) means that ________ out of the ________ projects must be selected.A. exactly 1, 4B. at most 5, 3C. at least 3, 5D. exactly 3, 5E. none of the above

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