The physical education teacher has to organize 27 grade 6 students, 36 grade 7 students, and 54 grade 8 students into groups of equal number. a) what is the greatest number of students who can be in one group? b) how many groups will there be? lesson is about greatest common factor btw: )

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?