The answer is 2/3 because 3/8x16/9= 2/3
do you have any more information?
Let

the price of a ticket
Let

the cost to put on the show
Formula:
(profit) = (ticket price) * (number of people) - (cost to put on show)
We have two equations here:


Solve:

⇒

⇒

⇒

⇒

So the price of a ticket is $5, and the cost to put on the show is $100.
It is tree times more value or 15 not sure
2.4cm is the tangent of A