< Question 5, "10.1.77 > HW Score: 20%, 6 of 30 points > Points: 0 of 6 Save A Broadway theater has 400 seats, divided into orchestra, main, and balcony seating. Orchestra seats sell for $60, main seats for $35, and balcony seats for $30. If all the seats are sold, the gross revenue to the theater is $15,450. If all the main and balcony seats are sold, but only half the orchestra seats are sold, the gross revenue is $13,050. How many are there of each kind of seat? There are orchestra seats, main seats, and balcony seats.