تم الحل ✓
categoryهندسة صناعية وإنتاج
schoolبكالوريوس
event_available2026-07-13
السؤال
Transcribed Image Text:
Project Question
A cheese firm produces two types of cheese: Swiss cheese and sharp cheese. The firm has 60
experienced workers and would like to increase its workforce to at least 90 workers during the
next 8 weeks. Each experienced worker can train 1-3 new employees in a period of two weeks
during which the experienced and new workers involved virtually produce nothing. After the
training period of two weeks, new employees become experienced workers and can produce
cheese.
The production rate of Swiss cheese is 10 pounds per worker per hour, and the production
rate of sharp cheese is 8 pounds per worker per hour. Each worker works at most 40 hours per
week. The weekly demands (in 1000 pounds) are summarized in the table below. Since
overaging destroys the flavor of the cheese, the cheese produced in each week can be sold only
in the current and next weeks. For example, the cheese produced in week 1 can be sold in weeks
1 and 2. Usually, unsold cheese is donated to food banks. There is no cheese in inventory at the
beginning of week 1.
Cheese Type
Swiss cheese
Sharp cheese
Week 1
11
Week 2
12
Weekly demands of each type of cheese (in 1000 pounds)
Week 3 Week 4 Week 5 Week 6
Week 7
Week 8
13
18
14
18
20
22
8
8
10
12
12
13
16
18
Suppose that a trainee receives the same full salary as an experienced worker. How
should the company hire and train its new employees so that the labor cost is minimized over this
8-week period and all demands are met?
Project Requirements
(1) Formulate the problem as an LP or ILP model, and then use What'sBest to solve it.
(2) Write a project report that explains how you formulate the problem, presents your LP or ILP
model, and reports and interpret the optimal training plan found using What'sBest.
(3) Submit your project report and your What'sBest model through the Blackboard.
(4) The project will be graded using the following rubric.
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