John is planning a 250 mile long road trip. His car gets 32 miles per gallon on the highway. Gas costs $3.50 a gallon. How much will gas cost for the trip? please explain how you got it

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?

2x minus y equals 6, x plus y equals negative 3

Can someone me with my math problem pls my teacher is on my back about this