ariana averaged 77 on her first three history exams. The first score was 87 . The second score was 6 less than the third score. What did she score on the second and third exams?

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?