Elizabeth uses 23.25 ounces of granola and 10.5 ounces of raisins for 15 servings of trail mix if each serving contains the same amount of trail mix how much trail mix is in each serving

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?