Age: Under three years, Three to 12 years, Over 12 years = Ticket Price: free, $32, $44 On a certain day, the company took 82 people on whale watching trips. There were 54 children aged 12 and under, of which some children were under three years. If x represents the number of children under three years, which equation can be used to find the value of x, where C represents the total amount of money collected from tickets that day?