Sarah took the advertising department from her company on a round trip to meet with a potential client. Including Sarah a total of 12 people took the trip. She was able to purchase coach tickets for ​$290 and first class tickets for ​$980. She used her total budget for airfare for the​ trip, which was ​$6240. How many first class tickets did she​ buy? How many coach tickets did she​ buy?

you already gave the answer

step-by-step explanation:

on monday rodney ate 1/4th of the sandwich = 3/12

on tuesday he ate 1/3rd of the sandwich = 4/12

therefore in total he has eaten = 3/12 + 4/12 = 7/12

thus we can say that he has eaten 7/12 of the sandwich on monday and tuesday alltogether.

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step-by-step explanation: