Question

pe

Answer 1

@zepdrix

Answer 2

Answer is E

Answer 3

This is a system of equations.
Let c be the number of children's tickets sold.
Let a be the number of adult tickets sold.

I made two equations from the information.
1. 5c+7a = 9200 - This is the price of the tickets.
2. c+a=1600 - This is the total number of tickets sold.

Using the method of substitution, in the second equation, I isolated a.

c+a=1600
a=-c+1600

Now that you have a, you can substitute it into the first equation.

5(-a+1600)+7a=9200
-5a+8000+7a=9200
2a=1200
a=600

This means that the total number of adults is 600.
Subtract the number of adults from the total number to get the number of children.
1600 - 600
= 1000

Answer 4

Whoops, made a slight mistake there. I meant to isolate c instead of a.