Mathematics, 06.04.2020 06:13 weirdojuwin

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 $270 and first class tickets for $1050. She used her total budget for airfare for the trip, which was $9990. How many first class tickets did she buy? How many coach tickets did she buy?

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