It depends what they are doing.
Is this in inches? If so the tent is the size of a very small apartment.
9 people
To determine the number of people that would fit into a circus tent you would have to have the size of the tent. Circus tents come in different sizes from the small side show tents to the giant Big Tops.
It depends on how tall the tent is.
A medium U.S. Military tent is 16'x32' which is 512 square feet. It has a living area for 12 people but will sleep 21.
In a pop up tent, you can fit somewhere between two to five adults, depending on the size of the tent. Most pop up tents can fit around four adults, while the cheaper and smaller ones fit two.
260. Each tile is 1 sq ft.
12 comfortably but can squeeze 14 if it is a frame tent
If you are not looking for room around them, 64 will fit.
3
0 if the tiles are truly 12 feet by 12 feet
Though tents can be made to house nearly any number of people, the largest easily available tent designed for camping and other applications can house up to twelve people comfortably.