Posted by **Carrie** on Wednesday, May 7, 2008 at 11:40am.

170 students in a lecture hall can scream at 115 dB.

Thus, we should expect that:

A. an average student can do 0.68 dB by him or herself.

B.340 average students can do 125 dB.

C.340 average students can do 230 dB.

D.1700 average students can do 125 dB.

E.85 average students can do 105 dB.

F.the loudest student in the class can do 115 dB.

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