Based on the information, the cost of adult's ticket is $24 while the student's tickets cost $18.
The equation to solve the question will be:
4a + 2s = 132 ..... i
2a + 6s = 156 ...... ii
Multiply equation i by 2
Multiply equation ii by 4
8a + 4s = 264
8a + 24s = 624
Subtract the equations
20s = 360
s = 360/20 = 18
From equation i
4a + 2s = 132
4a + 2(18) = 132
4a + 36 = 132
4a = 132 - 36
4a = 96
a = 96/4
a = 24
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