1) Joan has 24 books in her library. She bought several books at a yard sale over the weekend. She now has 53 books in her library. How many books
did she buy at the yard sale ?

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?