There are 240 students going on a field trip. each school bus can hold 48 students. complete the equation to show which operation to use and how many school buses are needed. then complete the sentence to explain your reasoning

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?