Answer: The correct option is
(E) 80,000.
Step-by-step explanation: Given that after adding 4,000 gallons of water to a large tank that was already filled to
of its capacity, the tank was then at
of its capacity.
We are to find the number of gallons of water that the tank hold when filled to capacity.
Let the tank can hold x gallons of water when filled to capacity.
Then, according to the given information, we have

Thus, the required capacity of the tank is 80,000 gallons of water.
Option (E) is CORRECT.
<em>Refer</em><em> </em><em>to</em><em> </em><em>the</em><em> </em><em>attachment</em>
The easiest method to draw elevations to the same scale as your floor plans to make the process a bit easier.Tape your main floor plan drawing to the surface of your work table with the front side house facing towards you