Answer:
correct answer is 115 tickets.
Step-by-step explanation:
adult tickets = 23x
Student ticket = 19x
(because the ratio given is 23:19)
total tickets = 210
[tex]23x + 19x = 210 \\ 42x = 210 \\ x = 5[/tex]
hence adult tickets sold are
[tex]23x = 23 \times 5 \\ = 115[/tex]
