X=student tickets, y=adult tickets
x+y=1025
x+5y=2285
This system of equations can be solved through substitution.
x=1025-y
(1025-y)+5y=2285
4y=1260
y=315
So, 315 adult tickets were sold.
315+x=1025
x=710
Therefore, 710 student tickets and 315 adult tickets were sold.