Answer:
square feet
Step-by-step explanation:
Area has units of squared length.
The water in the aquarium is a rectangular prism with dimensions 20, 12 and h (where the height is unknown).
We know that the volume is the product of the dimensions, and that it is 2400, so we have

let me know if the propositions they gave don't match with mine.
thanks
The answer would be 21,000,000.00