a theater is 75% full then 96 people leave and now its 35% full
how many seats are there?
96 people is 40% of the seats because when 96 people leave it changes a difference of 40%. 40% x 2.5 = 100%, so to get the number of seats you just do 96 x 2.5 = 240.
Thus, there are 240 seats in the theater.