Question

A plan ran for 100 performances. The theater was full for 85% of the performances. For how many performances was the theatre NOT full?

Could you include work, too, if you don't mind ?

Answer 1

Simple do 100 - 85 and get 15 so 15%

Answer 2

lets do the math it is Subtracting!

100
- 85
------
  15% is the correct answer hope this helps :3