Answer:
$67 - $11= $56 Price of Concert Ticket
Explanation:
If you subtract the Total amount of money Mr. Lee had at the begining of the concert and after he bought a ticket you will get the price of the ticket.
Total Money - After Ticket = Price of Ticket
Imput the Variables....
(Total Money) $67 - $11 (After Ticket) = $56 (Price of Ticket)