10 [1/2x+2]-5=2(x-6)=1 a.-32 and 2 b.-2 and 32 c.-2 and 2 d.-32 and 32

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?

Anyone? 15m is what percent of 60m; 3m; 30m; 1.5 km?

W-16=-12 solve each one step equation plz