The figure shows the flow of traffic (in vehicles per hour) through a network of streets. 400 - -600 300- 100 (a) Solve this system for x, i = 1, 2, .. 5. (If the system has an Infinite number of solutions, express x, X2, X3, Xa, and xs in terms of the parameters s and t.) (X1, X2, X3, Xa, Xs) - (b) Find the traffic flow when x3 0 and x5 = 90. (x1, X2, Xa, Xa, Xs) (c) Find the traffic flow when x3 = X5 = 70. (X1, X2, X3, X4, Xs) |

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A: Solution

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