What is the volume of the rectangular prism? A prism has a length of 9 millimeters, height of 3 and one-half millimeters, and width of 8 and one-half millimeters.
21 mm3
76.5 mm3
80 mm3
267.75 mm3

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?