Devon is reading a 225- page book. yesterday he read 1/9 of the book. today he read from pages 118 through 156. how many pages did he read altogether?

How do you use the elimination method for this question? explain, because i really want to understand!

Sarah took the advertising department from her company on a round trip to meet with a potential client. including sarah a total of 11 people took the trip. she was able to purchase coach tickets for $280 and first class tickets for $1280. she used her total budget for airfare for the trip, which was $6080. how many first class tickets did she buy? how many coach tickets did she buy?

Will mark name all segments skew to bc