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Anna71 [15]
3 years ago
13

Sarah took the advertising department from her company on a round trip to meet with a potential client. Including Sarah a total

of 16 people took the trip. She was able to purchase coach tickets for ​$340 and first class tickets for ​$910. She used her total budget for airfare for the​ trip, which was ​$9430. How many first class tickets did she​ buy? How many coach tickets did she​ buy?
Mathematics
1 answer:
ololo11 [35]3 years ago
3 0

Answer:

Step-by-step explanation:

c + f = 16......c = 16 - f

340c + 910f = 9430

340(16 - f) + 910f = 9430

5440 - 340f + 910f = 9430

-340f + 910f = 9430 - 5440

570f = 3990

f = 3990/570

f = 7 <====== 7 first class tickets bought

c + f = 16

c + 7 = 16

c = 16 - 7

c = 9 <====== 9 coach tickets bought

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