Find the interest due on $1,400 at 9% for 270 days. (remember that for bank interest purposes, a year is considered to have 360 days.) a) 93.89 b) 93.22 c) 94.50

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?