Answer:
215
Explanation:
The total number of people at the theater is 100% of the people.
If 60% were under 12, then since 100% - 60% = 40%, 40% of the people were 12 or older.
Let x = total number of people.
40% of x is 86.
40% * x = 86
0.4x = 86
x = 86/0.4
x = 215
Answer: 215