Question
Dwight is an elementary school teacher who also raises pigs for supplemental income. he is trying to decide what to feed his pigs. he is
Dwight is an elementary school teacher who also raises pigs for supplemental income. he is trying to decide what to feed his pigs. he is considering using a combination of pig feeds available from local suppliers. he would like to feed the pigs at minimum cost while also making sure each pig receives an adequate supply of calories and vitamins. the cost, calorie content, and vitamin content of each feed is given in the table below.
Contents: Feed Type A: Calories (per pound) = 800. Feed Type B: Calories (per pound) = 1,000. Feed Type A: Vitamins (per pound) = 140 units. Feed Type B: Vitamins (per pound) = 70 units. Feed Type A: Cost (per pound) = $0.40. Feed Type B: Cost(per pound) = $0.80.
Each pig requires at least 8,000 calories per day and at least 700 units of vitamins. a further constraint is that no more than 1/3 of the diet (by weight) can consist of feed type a, since it contains an ingredient that is toxic if consumed in too large a quantity.
d. formulate this same model algebraically.
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