Answer:
Adult tickets sold = 240
Explanation:
If student tickets = x,
Adult tickets = 3x + 6
Since the total amount of tickets sold was 318, the equation would be:
x + 3x + 6 = 318
Simplify this:
4x + 6 = 318
4x = 312
x = 78
Student tickets = 78
and so:
Adult tickets = (3 x 78) + 6 = 240