Answer:
$4 is the price of a citizen ticket and $3 is the price of a student ticket.
Explanation:
Given:
Krystal's school is selling tickets to annual talent show.
The total ticket sold on the first day is 4 senior citizen tickets and 3 student tickets for a total of $25.
Now, to find the price of the student ticket and the price of the citizen ticket.
Let the price of a citizen ticket be

Let the price of a student ticket be

So, the total amount of the first day of the ticket sales:

According to question:
The total amount of the second day of the ticket sales:

Now, using the elimination method we solve the equation:
So, subtracting equation (1) from equation (2):

Dividing both sides by 11 we get:

The price of a student ticket = $3.
Now, substituting the value of
in equation (1) we get:

The price of a citizen ticket = $4.
Thus, $4 is the price of a citizen ticket and $3 is the price of a student ticket.