State University has decided to reconstruct the sidewalks throughout the east side of its campus to provide wheelchair access. However, upgrading sidewalks is a very expensive undertaking, so for the first phase of this project, university administrators want to make sure they connect all buildings with wheelchair access with the minimum number of refurbished sidewalks possible.

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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State University has decided to reconstruct the sidewalks throughout the east side of its campus to provide wheelchair access. However, upgrading sidewalks is a very expensive undertaking, so for the first phase of this project, university administrators want to make sure they connect all buildings with wheelchair access with the minimum number of refurbished sidewalks possible.
Following is a network of the existing sidewalks on the east side of campus, with the feet between each building shown on the branches:

130
105
178
13
92
127
63
195 10
120
154
210
107 76
67
61
84
12
112
91
82
73
93
125
2
116
95
11
14
114
147
86
105
Transcribed Image Text:130 105 178 13 92 127 63 195 10 120 154 210 107 76 67 61 84 12 112 91 82 73 93 125 2 116 95 11 14 114 147 86 105
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