Answer:
76.19% is the percentage of occupancy on last Friday.
Explanation:
The question is incomplete, so the complete question is below:





Now, to get the percentage of occupancy of the theatre last Friday.
Let
be all the seats in the stalls.
Total number of seats in the circle occupied by audience last friday = 528.
According to question, 2 : 5 is the ratio in the number of seats in the circle compared to the number of seats in the stalls.
So, 2 is equivalent to 5.
And, 528 is equivalent to
.
Now, to get the number of stalls by using cross multiplication method:

By cross multiplying we get:

Dividing both sides by 2 we get:

Total number of seats in the stalls = 1320.
Now, to get the people occupied seats in the stalls on last friday:

Thus, people occupied 880 seats in the stalls on last friday.
So, the total number of seats in the circle and stalls:

And, the total number of seats people occupied last friday:

Now, to get the percentage of occupancy of the theatre last Friday:


Therefore, 76.19% the percentage of occupancy on last Friday.