A container has a capacity of 20 gallons and is full of spirit. 4 gallons of spirit is drawn out and the container is again filled with water. This process is repeated 5 times. Find out how much spirit is left in the resulting mixture finally?
1
\(6\dfrac{257}{525}\) gallons
2
\(6\dfrac{346}{625}\) gallons
3
6.5 gallons
4
6.25 gallons