With 4 and 5 and also the one i will give brainliest to the correct answer! you are trying to hear your friend give directions to new store in town. but from your distance of 15 m you only hear a whisper of about 20 db intensity. you move closer to bring the conversation up to a sound level of about 50 db. how close do you need to be? 100 cm 333 cm 90 cm 47 cm 90 cm