
Carol H. answered 09/12/18
Tutor
4.9
(285)
Masters' Degree in Mathematics with 35 years of Teaching Experience
Let x = the number of upper deck seats sold
Let y = the number of lower deck seats sold
x + y = 48,000 y = 48,000 - x
10.50x + 15.50y = 556,800
10.50x + 15.50(48,000 - x) = 556,800
10.50x + 744,000 - 15.50x = 556,800
-5x = -187,200
x = 37,440
y = 48,000 - x = 48,000 - 37,440
y = 10,560