The figure shows the flow of traffic (in vehicles per hour) through a network of streets. 400 600 X2 x4 300 100 X5 (a) Solve this system for x,, i = 1, 2, ..., 5. (If the system has an infinite number of solutions, express x1, X2, X3, X4, and xg in terms of the parameters s and t.) (x1, X2, X3, X4, x5) = Your answer cannot be understood or graded. More Information (b) Find the traffic flow when x3 = 0 and xg = 50. (X1, X2, X3, X4, X5) = (c) Find the traffic flow when x3 = X5 = 70. (X1, X2, X3, X4, x5) =

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