The answer will depend on:
28 depends how big the chickens are
20
That depends on the shape of the building. Because 72 inches is 6 feet, so if the building were 5 feet by 1,000 feet (unlikely, but just an example to make a point), none will fit (I presume you mean tables whose diameter is 72 inches; if the radius is 72 inches, then the diameter would be 12 feet, which certainly would not fit; it would not fit even if the width of the building were 11 feet). Also, it depends on the number of floors. Because if the 5,000 sq. ft. is the total of all the floors, a 100 story building would have only 50 sq. ft. per floor. That's about 7 feet square, so a table with a diameter of 12 feet would not fit in any case.
only 1 because chickens in denial are very fat because they eat lots of weetabix
Assuming fit is meant to be feet, the answer is 0.0033 feet, approx.
about 5000 missiles could fit in the empire state building
The answer will depend on how many floors in the building!
12,960 US gallons will 'fit' in 1,733 cubic feet.
No, they don't fit chickens. I would be surprised if they did though. Wouldn't you?
You can fit six of them.
3.6 feet (not fit!) equals 43.2 inches
well that can vary by size and if you want them to have some elbow room...