How do I solve this please look for the x and then the y

Complete the statements about the system of linear equation respresented by the tables the equation respented the left table is

Can any one me with the answers to these questions asap?

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?