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##### Complete Problem 8-3, 8-4 and 8-6

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Question;Complete Problem 8-3. Add this additional constraint: Total;Number of Workers to Start the Shifts must be less than or equal to 31.;Complete Problem 8-4.;Complete Problem 8-6.;Use Excel's Solver to complete the problems.;Use one Excel spreadsheet file for the calculations and explanations, with one;worksheet per problem. Use the problem number for each worksheet name. Cells;should contain the formulas (i.e., if a formula was used to calculate the entry;in that cell).;8-3----(Restaurant work scheduling problem). The famous Y.S. Chang restaurant;is open 24 hours a day. Waiters and busboys report for duty at 3am, 7am, 11am;3pm, 7pm, or 11pm, and each works an 8-hour shift. The following table shows;the minimum number of workers needed during the six periods into which the day;is divided. Chang's scheduling problem is to determine how many waiters and;busboys should report for work at the start of each time period to minimize the;total staff required for one day's operation. (Hint: Let Xi equal the number of;waiters and busboys beginning work in time period i, where i =1,2,3,4,5,6.);PERIOD TIME # of Waiters and Busboys required;1 3am - 7am 3;2 7am - 11am 12;3 11am - 3pm 16;4 3pm - 7pm 9;5 7pm - 11pm 11;6 11pm - 3am 4;8-4-----(Animal Feed mix problem) The Battery Park Stable feeds and houses the;horses used to pull tourist-filled carriages through the streets of;Charleston's historic waterfront area. The stable owner, an ex-racehorse;trainer, recognizes the need to set a nutritional diet for the horses in his;care. At the same time, he would like to keep the overall daily cost of feed to;a minimum. The feed mixes available for the horses' diet are an oat product, a;highly enriched grain, and a mineral product. Each of these mixes contains a;certain amount of five ingredients needed daily to keep the average horse;healthy. The table shows these minimum requirements, units of each ingredient;per pound of feed mix, and costs for the three mixes. In addition, the stable;owner is aware that an overfed horse is a sluggish worker. Consequently, he;determines that 6 pounds of feed per day are the most that any horse needs to;function properly. Formulate this problem and solve for the optimal daily mix;of the three feeds.;Feed Mix;Diet Oat Enriched Mineral Min Daily;Requirement Product Grain Product Requirement;(Ingredients) (Units/LB) (Units/LB) (Units/LB) (Units);A 2 3 1 6;B 0.5 1 0.5 2;C 3 5 6 9;D 1 1.5 2 8;E 0.5 0.5 1.5 5;Cost/lb 0.09 0.14 0.17;8-6---Eddie Kelly is running for reelection as mayor of a small town in;Alabama. Jessica Martinez, Kelly's campaign manager during this election, is;planning the marketing campaign, and there is some stiff competition. Martinez;has selected four ways to advertise: television ads, radio ads, billboards, and;newspaper ads. The cost of these, the audience reached by each type of ad, and;the maximum number available is shown in the following table;Audience Maximum;Type of Ad Cost per ad Reached Number;TV 800 30000 10;Radio 400 22000 10;Billboards 500 24000 10;Newspapers 100 8000 10;In addition, Martinez has decided that there should be at least six ads on TV;or radio or some combination of those two. The amount spent on billboards and;newspapers together must not exceed the amount spent on TV ads. While;fundraising is still continuing, the monthly budget for advertising has been;set at \$15,000. How many ads of each type should be placed to maximize the;total number of people reached?;Attachment Preview

Paper#61453 | Written in 18-Jul-2015

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