An automobile purchased for $34,800 is worth $8550 after 7 years. assuming that the car's value depreciated steadily from year to year, what was it worth at the end of the 3rd year?

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?