Question 5032
 a= # of adult tickets sold
 s=# of student tickets sold

 9.00a + 2.50s = 1485
 a + s = 200
 a = 200 - s
 9.00(200-s)+ 4.50s = 1485
 1800 - 9.00s + 4.50s = 1485
 -4.50s = -315
 s = 70

 a + 70 = 200
 a = 130