The volume of traffic for a collection of intersections is shown in the figure below. (A graphing calculator is recommended.) 47 90 85 70 A C X1 40||X2 X4 20 X3 30 D 50 25 Find all possible values for x, X2, Xg and x4. (Use s, as your parameter.) (X1, X2, X3, X4) = What is the minimum volume of traffic from C to D? vehicles

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