Answer:
164 tickets
Explanation:
We can denote number of adult tickets as "y"
Then if number of adult tickets is "y" then number of student tickets can be expressed as (480-y)
We were given Total cost of tickets as ($2892) ............eqn(1) and the cost of adult ticket is $8 per one, and also Cost student ticket $5 per one
the algebra equation can be expressed as :
8y + 5y= 2892
If we substitute eqn (1) we have
8y + 5(480 - y) = 2892
8a + 2400 - 5y = 2892
2892 - 2400= 8y-5y
492=3y
y = 164
Therefore, the number of adult tickets sold is 164