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Which expression is equivalent to 8(k + m) β 15(2k + 5m)?
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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?
Answers: 1
2x - 3y = 12
-6x + 7y = 30...
-6x + 7y = 30...
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