Naomi plans to attend a four-year college that costs a total of $21,800 per year. Her family invests $9,500 in an account that earns 6% annual interest compounded monthly. To the nearest dollar, what is the minimum amount Naomi’s family should deposit each month to be able to pay for the first two years of college?

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?