A racetrack charges $75 for each seat in the lower section, $60 for each seat in upper sections, and $35 for field
tickets. There are three times the amount of seats in the upper section as compared to the lower section. The
revenue from selling all 21,600 seats is $917,000.
a. Write a system to represent the situation.
b. How many seats are in each section of the racetrack?
c. *BONUS* What if on the first day 2800 tickets are sold generating $156,500 in revenue. The number of seats
sold in the upper and lower sections are the same. How many field tickets are left?