SOLUTION: The school Beth goes to is selling tickets to a fall musical. On the first day of ticket sale the school sold 7 adult tickets and 7 student tickets for a total of 63$. The school t

The difference of purchases is 5 student tickets (5 = 7-2) and  (63-38) = 25 dollars.


Hence, the price of one student ticket is 25/5 = 5 dollars.


Then the price of one adult tickets is   = 4 dollars.

    1.   This problem is a typical example when a MENTAL solution is expected (and required, by DEFAULT).


    2.  The answer seems to be strange, because usually student tickets are cheaper than adult tickets.

        But here I can nothing to do, because the input data of the problem LEADS with NECESSITY to this answer.