If you were to subtract 6 from 15 you would see that Quinn would have 9 gold fish, 9+6= 15
The answer is b because your just adding and subtracting
It’s on photomath u should def try that it works too!
Investment = $12
For $15 profit, I have to earn, 12+15 = $27
Charge for 1 person(for paint faces) = 3
multiply by 9,
9 persons= $27
So, 9 person is the answer.
