Many of Exercises 29-40 are similar or identical to ones in preceding exercise sets. Use duality to answer them.
Purchasing Bingo’s Copy Center needs to buy white paper and yellow paper. Bingo’s can buy from three suppliers. Harvard Paper sells a package of 20 ream of white and 10 reams of yellow for 60; Yale Paper sell a package of 10 ream of white and 10 ream of yellow for $40, and Dartmouth Paper sells a package of 10 reams of white and 20 ream of yellow for $50. If Bingo’s need 350 reams of white and 400 reams of yellow, how many packages should it buy from each supplier to minimize the cost? What is the lowest possible cost? What are the shadow costs of white paper and yellow paper?
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Chapter 5 Solutions
Finite Mathematics
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