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The figure shows two intersections, labeled A and B, that involve one-way streets. The numbers and variables represent the average traffic flow rates measured in vehicles per hour. For example, 190 vehicles per hour enter intersection A from the west, whereas 360 vehicles per hour enter this intersection from the north. A stoplight will control the unknown traffic flow denoted by the variablesx and y. Use the fact that the number of vehicles entering an intersection must equal the number leaving to determine x and y.

The figure shows two intersections, labeled A and B, that involve one-way streets. The numbers and variables represent the average traffic flow rates measured in vehicles per hour. For example, 190 vehicles per hour enter intersection A from the west, whereas 360 vehicles per hour enter this intersection from the north. A stoplight will control the unknown traffic flow denoted by the variablesx and y. Use the fact that the number of vehicles entering an intersection must equal the number leaving to determine x and y.

Linear Algebra: A Modern Introduction
Linear Algebra: A Modern Introduction
4th Edition
ISBN:9781285463247
Author:David Poole
Publisher:David Poole
Chapter2: Systems Of Linear Equations
Section2.4: Applications
Problem 15EQ
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X=[] car/hour, Y=[]cars/hour
The figure shows two intersections, labeled A and B, that involve one-way streets. The numbers and variables represent the average traffic flow rates measured in vehicles per hour. For example, 190 vehicles per hour enter intersection A from the west, whereas 360 vehicles per hour enter this intersection from the north. A stoplight will control the unknown traffic flow denoted by the variables x and y. Use the fact that the number of vehicles entering an intersection must equal the number leaving to determine x and y.
Transcribed Image Text:The figure shows two intersections, labeled A and B, that involve one-way streets. The numbers and variables represent the average traffic flow rates measured in vehicles per hour. For example, 190 vehicles per hour enter intersection A from the west, whereas 360 vehicles per hour enter this intersection from the north. A stoplight will control the unknown traffic flow denoted by the variables x and y. Use the fact that the number of vehicles entering an intersection must equal the number leaving to determine x and y.
360 cars/ hr N. 60 cars/ hr 450 190 cars/hr B. cars/hr 300 cars/ hr
Transcribed Image Text:360 cars/ hr N. 60 cars/ hr 450 190 cars/hr B. cars/hr 300 cars/ hr
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