physics
posted by Anonymous .
A rock band playing an outdoor concert produces sound at 120 5.0 away from their single working loudspeaker.

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Physics  okay, turns out I need help once more
but this is the last problem, so I'll be done after thins one. :) You're at a concert at a distance of 10m away from the band and their sound level is 120dB. How far back do you have to move if you want the sound level to be 85 dB? 
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