Answer: 
Step-by-step explanation:
Given
The price of the ticket prior to match day is 
It is stated that there is
the markup on match day i.e.
The selling price of the ticket is

So, han must expect to pay
on that day
Well 12 divided by 3 is 4 so there will be 4 cork squares.
2v=3-7
2v=-4 divide both sides
v=-2