1. The problem statement, all variables and given/known data The sound level 24 m from a loudspeaker is 66 dB. What is the rate at which sound energy is produced by the loudspeaker, assuming it to be an isotropic source? ____W 2. Relevant equations ??? Something to do with Intensity? 3. The attempt at a solution I dont know where to begin on this problem. My book doesnt describe any problems that are related to distance nor does it have any equations that are related to distance.