Jamie recently drove to visit her parents who live 648 miles away. On her way there her average speed was 21 miles per hour faster than on her way home (she ran into some bad weather). If Jamie spent a total of 18 hours driving, find the two rates.

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?