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# Network models

12-7
Bechtold Construction is in the process of installing power lines to a large housing development. Steve Bechtold wants to minimize the total length of wire used, which will minimize his costs. The housing development is shown as a network in Figure 12.21. Each house has been numbered, and the distances between houses are given in hundreds of feet. What do you recommend?

12-8
The city of New Berlin is considering making several of its streets one-way. What is the maximum number of cars per hour that can travel from east to west? The network is shown in figure 12.22

12-15
Solve the minimal-spanning tree problem in the network shown in figure 12.26. Assume that the numbers in the network represent distance in hundreds of yards.

12-16
Refer to problem 12-15. What impact would changing the value for path 6-7 to 500 yards have on the solution to the problem and the total distance?

#### Solution Summary

This provides examples of creating network nodes to solve problems.

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