Where did you get the singers from? And what does 80% of y have to do with singers?
Su is the only child under 12 years of age, therefore, she is only child entering for free.
are you going to show a picture??? its impossible to answer otherwize
I think this is the answer to that,,, >y = 5x^2
7 days a week
4x7=28
About 4 weeks each month
28x4=112
The answer should be 112 hours. I hope this helped