Answer:
The expression for the average number of tickets sold per school child is:

Step-by-step explanation:
The average number of tickets sold per school child is the weighted mean calculus between the number of tickets sold by these classes and the number of children in each classes.
This is the multiplication between the number of tickets sold by these classes and the number of children in each classes divided by the total weight(in this exercise, the total weight is the total number of school child).
So, the expression for the average number of tickets sold per school child is:

The length of all the sides is same, if u want to write it as an expression, you can write it as any variable, x,y or z
Answer:y=8x
Step-by-step explanation:
bAnswer: the answers is most likely a because of the nomination
Step-by-step explanation: