Sarah took the advertising department from her company on a round trip to meet with a potential client. Including Sarah a total of 10 people took the trip. She was able to purchase coach tickets for $200 and first class sets for 940 Sheyee her total budget for airfare for the trip, which was $4220. How many first class tickets did she buy? How many coach tickets did she buy? number of first class tickets bought = number of coach tickets bought =