(a) Given the network for this problem, how long (in hundreds of feet) is the shortest route from node 1 to node 25?
9-43. Northwest University is in the process of complet-
ing a computer bus network that will connect com-
puter facilities throughout the university. The prime
objective is to string a main cable from one end
of the campus to the other (nodes 1–25) through
underground conduits. These conduits are shown
in the network below; the distance between them is
in hundreds of feet. Fortunately, these underground
conduits have remaining capacity through which the
bus cable can be placed.
(a) Given the network for this problem, how long (in
hundreds of feet) is the shortest route from node
1 to node 25?
(b) In addition to the computer bus network, a new
phone system is also being planned. The phone
system would use the same underground conduits.
If the phone system were installed, the follow-
ing paths along the conduit would be at capacity
and would not be available for the computer bus
network: 6–11, 7–12, and 17–20. What changes
(if any) would you have to make to the path
used for the computer bus if the phone system
were installed?
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