There are two types of water tanks tank a and tank B at the onset of the situation tank a is empty and begins to be filled at the rate of 2 gallons per minute at the same time tank B has in it 140 gallons and begins to be drained at a rate of 5 gallons per minute write a system of equations to model the situation where x represents the minutes and determine the number of minutes until the tanks have the same amount of water and how many gallons of water do each tanks have when equal