A Roundabout Is a Type of Intersection That Accommodates Traffic

question 31

Multiple Choice

A roundabout is a type of intersection that accommodates traffic flow in one direction, around a circular island. The graphic model below shows the numbers of cars per hour that are entering and leaving a roundabout where is 35 cars per hour, is 60 cars per hour, is 70 cars per hour, is 50 cars per hour, is 60 cars per hour, is 70 cars per hour, is 65 cars per hour, and is 50 cars per hour. What is the minimum number of cars per hour that can travel on ?

• A)25 cars per hour
• B)0 cars per hour
• C)20 cars per hour
• D)15 cars per hour
• E)10 cars per hour

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