Set up equation and solve. 1. Water/Wastewater Treatment Two tanks must have a total capacity of
400 gallons. If one tank needs to be twice the size of the other, how many
gallons should each tank hold?

The graph shows the decibel measure for sounds depending on how many times as intense they are as the threshold of sound. noise in a quiet room is 500 times as intense as the threshold of sound. what is the decibel measurement for the quiet room? 20 decibels28 decibels200 decibels280 decibels