Acity library has 1250 books. if 4/5 of the books are fiction books, how many books are non-fiction

:24% of students in a class are girls. if there are less than 30 students in this class, how many students are there? how many girls are there?

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?

Jane has 5 nickels.john has 3 dimes.jane says she has a greater amount of money.with the information given,is she correct?