Lukasz Stefanowicz April 1, 2017 Module 2-Turn in Assignment My PIN is 3 4 8 3 7. Therefore, the portion of the roundabout between A and B has an estimated traffic flow of from 67 to 83 cars per hour. A has 200 drivers entering, B has 50 drivers entering, and C has 200 drivers entering. 200+50+20=450 A has 165 drivers existing, B has 100 drivers existing, and C has 185 drivers existing. 165+100+185=450 This roundabout has an equal number of drivers entering and existing it. So, we can conclude that the number of cars entering A=Number of cars leaving This information will help to determine what x 1 , x 2 ,x3