Huh? What do you mean I don't understand
Answer:
The cost of one adult ticket is $13, and the price of one student ticket is $4.
Step-by-step explanation:
This question can be solved using a system of equations.
I am going to say that:
x is the cost of an adult ticket
y is the cost of a student ticket.
6 adult tickets and 1 student ticket for a total of $82
This means that


The school took in $51 on the second day by selling 3 adult tickets and 3 student tickets.
This means that

Simplifying by 3

Since 





The cost of one adult ticket is $13, and the price of one student ticket is $4.
Round to tens: 240 + 370 = 610
round to hundreds: 200 + 400 = 600
hope this helps