How do i solve this word problem? I need help

Systems of equations, eh?

Step-by-step explanation:

So lets create our variables:

x-Number of adult tickets

y-Number of child tickets

So lets make our system of equations:

We know that a total of 300 tickets were sold, so:

We also know the ticket prices and the amount of money earned, thus:

So here is our System of Equations:

So let's solve through Substitution:

Inputting it into the second equation:

So, 220 children tickets were sold, and 80 adult tickets were sold.

Hope this Helps!

P.S.Stay Safe!

f is the midpoint of