Answer:
The percent increase on the ticket price is 23%
Explanation:
we know that
The original price of the ticket is $81
The price goes up to $99.63 with taxes and fees,
In this problem
$81 represent the 100%
so
using proportion
Find out the percent increase for the difference ($99.63-$81=$18.63)
Let
x -----> the percent increase

therefore
The percent increase on the ticket price is 23%