A rectangular tank with a square base is 1/4
full of water. The side length of the square base is 20 inches. When another 3,000 cubic inches of water is poured into the tank, it becomes 2/3 full.
a) Find the capacity of the tank.
b) When the tank is 2/3 full, what is the height of the water?
Capacity: cub inches
Height, when full: inches