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QUESTION
On a workday the average decibel level of a busy street is 70 dB, with 100 cars passing a given point every minute.
On a workday the average decibel level of a busy street is 70 dB, with 100 cars passing a given point every minute. If the number of cars is reduced to 15 every minute on a weekend, what is the decibel level of the street?
