Answer:
0
Step-by-step explanation:
look at the first numbers
15%=3
5%=1
5(20)=100
1(20)=20
So, there are 20 students in the class.
I've attached the graphs to this answer. I hope they help.
Answer:
A' (4,4), B' (5,7), C' (9,7)
Step-by-step explanation: