This is the future of a population or sample which is being studied

The total ticket sales for a high school basketball game were $2,260. the ticket price for students were $2.25 less than the adult ticket price. the number of adult tickets sold was 230, and the number of student tickets sold was 180. what was the price of an adult ticket?

Finding tbe values of the variables in each kite

Having a hard time understanding this question (see attachment).