Martina is on the swim team. Each week she swims a total of 8,000 meters. How many kilometers does she swim each week? Be sure to include the correct unit in your answer

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?