1. The problem statement, all variables and given/known data In a neighborhood challenge to see who can climb a tree the fastest, you are ready to climb. Your friends have surrounded you in a circle as a cheering section; each individual alone would cause a sound intensity level of 80 dB at your location. If the actual sound level at your location is 87 dB, how many people are rooting for you? 2. Relevant equations Not a clue. 3. The attempt at a solution The book reads 5 as the answer, how would we get this though?