What number is 28% of 15

Can someone check if i did this right since i really want to make sure it’s correct. if you do you so much

Jordan got 27 out of 90 correct on his test . what fraction of the marks did her get correct

Sue's average score for three bowling games was 162. in the second game, sue scored 10 less than in the first game. in the third game, she scored 13 less than in the second game. what was her score in the first game?