Mrs. Kay’s is placing boxes along one of the walls in his attic is the walls is 11 1/3 Feet long in each box is 2 1/2 feet long how many boxes can’t he fit along to add it

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?