3 more 5 + 5 × 10 + 5 ÷ 10

The highest common factor of 132 and 220

How do you determine whether a relationship represented as as graph is linear or nonlinear

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?