ESSEN OF BUSINESS ANALYTICS (LL)  BOM
ESSEN OF BUSINESS ANALYTICS (LL) BOM
2nd Edition
ISBN: 9781337128629
Author: Camm
Publisher: CENGAGE L
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Chapter 12, Problem 1P

STAR Co. provides paper to smaller companies with volumes that are not large enough to warrant dealing directly with the paper mill. STAR receives 100-feet-wide paper rolls from the mill and cuts the rolls into smaller rolls of widths 12, 15, and 30 feet. The demands for these widths vary from week to week. The following cutting patterns have been established:

Chapter 12, Problem 1P, STAR Co. provides paper to smaller companies with volumes that are not large enough to warrant

Trim loss is the leftover paper from a pattern (e.g., for pattern 4, 2(12) + 1(15) + 2(30) = 99 feet used results in 100 – 99 = 1 foot of trim loss). Demands this week are 5,670 12-foot rolls, 1,680 15-foot rolls, and 3,350 30-foot rolls. Develop an all-integer model that will determine how many 100-foot rolls to cut into each of the live patterns in order to meet demand and minimize trim loss (leftover paper from a pattern).

Expert Solution & Answer
Check Mark
To determine

To create an all-integer model.

Explanation of Solution

In order to create an all-integer model let’s assume that:

xj be the number of 100 foot wide rolls using cutting pattern j,  j =1, 2, 3, 4, 5

The all-integer model will be:

Min 10x1+ 10x2+ 4x3+ x4+ x5

s.t.

0x1+ 0x2+ 8x3+ 2x4+ 7x5   56706x1+ 0x2+ 0x3+  x4 + x5 16800x1+ 3x2+ 0x3+ 2x4 + 0x5 3350   x1, x2, x3, x4, x50

The solution for the model will be:

Formula:

ESSEN OF BUSINESS ANALYTICS (LL)  BOM, Chapter 12, Problem 1P , additional homework tip  1

Solver:

ESSEN OF BUSINESS ANALYTICS (LL)  BOM, Chapter 12, Problem 1P , additional homework tip  2

Output:

ESSEN OF BUSINESS ANALYTICS (LL)  BOM, Chapter 12, Problem 1P , additional homework tip  3

Trim Loss will be 2007 feet

PatternNumber used
10
20
30
41675
5332

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