Tickets to a 3D movie cost $12.50 for adults and $8.50 for children. The
theater can seat up to 260 people. A total of $1734 was collected in ticket
sales for the 7:15 PM show in which only 60% of the tickets were sold.
a. Write equations that represent this information.
b. Solve the equations to find how many adults and how many children
were in the theater.