In Class

Topics: Manufacturing, Nutrition, Vitamin C Pages: 2 (475 words) Published: September 5, 2013
Herrick Foods Company wishes to introduce packaged trail mix as a new product. The ingredients for the trail mix are seeds, raisins, flakes, and two kinds of nuts. Each ingredient contains certain amounts of vitamins, minerals, protein and calories; the marketing department has specified the product be designed so that a certain minimum nutritional profile is met. The decision problem is to minimize the product cost and determine the product composition – that is, by the choosing the amount of each ingredient in the mix. The data shown below summarize the parameters of the problem.

Grams/PoundNutritional Requirements
SEEDS RAISINS FLAKES PECANS WALNUTS Vitamins 10 20 10 30 20 16 Minerals 5 7 4 9 2 10 Protein 1 4 10 2 1 15 Calories 500 450 160 300 500 600 Cost/Pound($) 4 5 3 7 6

Locklear Communications operates a regional call center where the workday is broken down into six 4-hour shifts, and each operator works two consecutive shifts. The table below describes staff requirements on each shift:

Shift # 1 2 3 4 5 6

Time 2AM-6AM6AM-10AM10AM-2PM 2PM-6PM6PM-10PM10PM-2AM

Required 10 20 45 40 50 12

The call center’s manager wishes to assign operators to the six available starting times so that the...
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