Question: (b) The network below shows traffic capacity for a system of roads, all of which are one way. O 2 5 S 5 15 12

(b) The network below shows traffic capacity for

(b) The network below shows traffic capacity for a system of roads, all of which are one way. O 2 5 S 5 15 12 1 16 0/11 0 3 4 14 0 Required: (i) Formualte a linear programming model for the above maximal flow problem (ii) Determine the peak load the system can handle, assuming tlow is from node 1 to node 5. Figures on arcs represent hundreds of cars per hour. (15 marks)

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