The figure shows the intersections of three one-way
Chapter 0, Problem Chapter 8.12(choose chapter or problem)
The figure shows the intersections of three one-way streets. The numbers given represent traffic flow, in cars per hour, at a peak period (from 4 P.M. to 6 P.M.). a. Use the idea that the number of cars entering each intersection per hour must equal the number of cars leaving per hour to set up a system of linear equations involving and b. Use Gaussian elimination to solve the system. c. If construction limits the value of to 400, how many cars per hour must pass between the other intersections to keep traffic flowing?
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