Suppose that Catie purchased a car 6 years ago at a price of $26,500.00 According to the research on this make and model, similar cars have a straight line depreciated to zero value in 10 years. How much will the car be worth after 6.5 years

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?