Elena's aunt bought her a $150 savings bond when she was born. when elena is 20 years old, the will have earnes 105% in interest. how much will the bond be worth when elena is 20 years old

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?