2. The business manager for a band must make $236,000 from
ticket sales to cover costs and make a reasonable profit. The
auditorium where the band will play has 4000 seats, with 2800
seats on the main level and 1200 on the upper level. Attendees
will pay $20 more for main-level seats.
a. Write a system of equations with x representing the cost
of the main-level seating and y representing the cost of the
upper-level seating.