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# diet - x 1 = Lbs of corn to use x 2 = Lbs of soybeans to...

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A Diet Problem Example Page 40 (13) Animal feed is produced by mixing four ingredients: corn, soybeans, oats and fishmeal. The nutritional and cost data is given as follows (nutrients are specified per pound of ingredient): Nutrient Corn Soybeans Oats Fishmeal Daily requirement Protein (g) 10 9 11 8 Minimum of 40 g. Calcium (mg) 50 45 58 50 Minimum of 120 mg. Fat (g) 30 90 10 5 Minimum of 20 g. Maximum of 100 g. Calories 900 1200 1000 600 Minimum of 4500 cal. Cost (\$/lb.) .60 .30 .35 .85 Find the least cost feed.
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Unformatted text preview: x 1 = Lbs of corn to use. x 2 = Lbs of soybeans to use. x 3 = Lbs of oats to use. x 4 = Lbs of fishmeal to use. Min: 0.6 x 1 + 0.3 x 2 + 0.35 x 3 + 0.84 x 4 S.T. 10 x 1 + 9x 2 + 11 x 3 + 8 x 4 ≥ 40 50 x 1 + 45 x 2 + 58 x 3 + 50 x 4 ≥ 120 30 x 1 + 90 x 2 + 10 x 3 + 5 x 4 ≥ 20 30 x 1 + 90 x 2 + 10 x 3 + 5 x 4 ≤ 100 0.6 x 1 + 0.3 x 2 + 0.35 x 3 + 0.84 x 4 ≥ 4500 x 1 , x 2 , …, x 4 ≥ 0...
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