In the Afternoon,the Decibel Level of a Busy Freeway Is

question 10

Multiple Choice

In the afternoon,the decibel level of a busy freeway is 85 dB with 90 cars passing a given point every minute.Late at night,the traffic flow is only 9 cars per minute.What is the late-night decibel level?

• A) 196 dB
• B) 85 dB
• C) 173 dB
• D) 75 dB
• E) ​9 dB

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