QUANTITATIVE DECISION MAKING
NAME__________________
FINAL TEST
Spring 2003
Points Possible = 120 points
POINTS = ______________
Work the following problems in your text. Show all of your work.
Start each problem
on a separate page. Submit all computer output generated in solving the problems.
1. Integer LP.
(25 points)
The Westfall Company has a contract to produce 10,000 garden hoses for a large
discount chain.
Westfall has four different machines that can produce this kind of hose.
Because these machines are from different manufacturers and use differing technologies,
their specifications are not the same.
Machine
Fixed Cost to
Set Up
Production
Run
Variable
Cost
Per Hose
Capacity
1
750
1.25
6000
2
500
1.50
7500
3
1000
1.00
4000
4
300
2.00
5000
a. This problem requires two different kinds of decision variables.
Clearly define
each kind.
b. The company wants to minimize total
cost.
Give the objective function.
c. Give the constraints for the problem.
d.
Write a constraint to ensure that if machine 4 is used, machine 1 cannot be.
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 Spring '10
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 Operations Research, FINAL TEST Points, average drying time

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