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Mumz [18]
3 years ago
12

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 numb

er of cars is reduced to 25 every minute on a weekend, what is the decibel level of the street?
Mathematics
1 answer:
nignag [31]3 years ago
4 0
70dB is represented by 100cars in 60sec. Therefore if the number of cats is reduced by 3/4 in the same amount of time(60s), then the decibel level will reduce by 3/4 also. So 70dB * .25= 17.5dB
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