Formulate an integer programming model for this problem and solve it by using the computer.

Practical Management Science
6th Edition
ISBN:9781337406659
Author:WINSTON, Wayne L.
Publisher:WINSTON, Wayne L.
Chapter2: Introduction To Spreadsheet Modeling
Section: Chapter Questions
Problem 20P: Julie James is opening a lemonade stand. She believes the fixed cost per week of running the stand...
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workstations available. Permanent and temporary operators work 8 hours per day. A permanent
operator averages about 0.4 error per day, whereas a temporary operator averages 0.9 error per day.
The company wants to limit errors to 15 per day. A permanent operator is paid $120 per day wheras
a temporary operator is paid $75 per day. Corsouth wants to determine the number of permanent
and temporary operators it needs to minimize cost. Formulate, and solve an integer programming
model for this problem and compare this solution to the non-integer solution.
5.
Globex Investment Capital Corporation owns six companies that have the following estimated
returns (in millions of dollars) if sold in one of the next 3 years:
Year Sold
(estimated returns, $1,000,000s)
Company
1
2
3
1
$14
$18
$23
11
15
3
18
23
27
4
16
21
25
5
12
16
22
6
21
23
28
To generate operating funds, the company must sell at least $20 million worth of assets in year 1, $25
million in year 2, and $35 million in year 3. Globex wants to develop a plan for selling these companies
during the next 3 years to maximize return.
Formulate an integer programming model for this problem and solve it by using the computer.
2.
Transcribed Image Text:Question: workstations available. Permanent and temporary operators work 8 hours per day. A permanent operator averages about 0.4 error per day, whereas a temporary operator averages 0.9 error per day. The company wants to limit errors to 15 per day. A permanent operator is paid $120 per day wheras a temporary operator is paid $75 per day. Corsouth wants to determine the number of permanent and temporary operators it needs to minimize cost. Formulate, and solve an integer programming model for this problem and compare this solution to the non-integer solution. 5. Globex Investment Capital Corporation owns six companies that have the following estimated returns (in millions of dollars) if sold in one of the next 3 years: Year Sold (estimated returns, $1,000,000s) Company 1 2 3 1 $14 $18 $23 11 15 3 18 23 27 4 16 21 25 5 12 16 22 6 21 23 28 To generate operating funds, the company must sell at least $20 million worth of assets in year 1, $25 million in year 2, and $35 million in year 3. Globex wants to develop a plan for selling these companies during the next 3 years to maximize return. Formulate an integer programming model for this problem and solve it by using the computer. 2.
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