Cooper went into the grocery store at 4:40 p. m. He left the store at 5:13 p. m. How long was Cooper inside the grocery store? 12 Points to whoever gets it right!

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?