Chris walks up to a tank of water that can hold up to 25 gallons When it is active, a
drain empties water from the tank at a constant rate When Chris first sees the tank, it
contains 13 gallons of water Three minutes later, the tank contains 4 gallons of water


How many more minutes will it take for the tank to drain completely? Explain or show
your reasoning


How many minutes before Chris arrived was the water tank completely full? Explain
or show your reasoning"​