Kaitlyn spent 2 1/8 at danee class. She spent 3/4 of that time practicing ballet. How much time did she spend on ballet

Officer brimberry wrote 24 tickets for traffic violations last week, but only 9 tickets this week. what is the percent decrease? give your answer to the nearest tenth of a percent.

Any is very appreciated! (picture is provided below)not sure how to do this at all won't lie

What is the value of x in the this question ?