Hello there! :)
I'm happy to help!
Answer:
Adult tickets are $14
Student tickets are $8
Explanation:
let's say that

And

on the first day we have:

On the second day we have

now we have a system of 2 equations with 2 unknown


we will multiply the first equation with -1

we solved the system and
a= $14, forthe adult ticket
s= $8 for the student ticket
Hope this helps!
Have an Awesome day!