Let x represent the number of hours you read a book and y represent the total number of pages you have read you can read 30 pages per hour

Can someone me and plz do the problem

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?

Whit h equation best represents this situation the number 98 increased by an unknown number equal to 120