What’s the answer? i’m very confused

When only separate discreet points are graphed it is called?

Need ! 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?

Type the correct answer in the box. use numerals instead of words. if necessary, use / for the fraction bar.