If we had a space of 5,280ft by 20 ft, the area of the space is:
Area = 5,280 ft * 20 ft = 105,600 square feets
Then, we can calculate the number of people using the rule of three as:
15 people ---------- 25 square feets
x ---------- 105,600 square feets
Solving for x, we get:
[tex]x=\frac{15\cdot105,600}{25}=63,360\text{ people}[/tex]Finally, 63,360 people occupy a 5,280 ft by 20 ft space.