Whats the fair share for 3/3 and 2/2?

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?

What is the slope of the line shown below?

Ithink i know it but i want to be sure so can you me out ?