FIND THE MISSION DIMENSION WITH WORK EVEN IF WRONG ANSWER I WILL MARK BRANLIEST!

The value √10 and √15 are plotted on the number line

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?

Solve the equation for y. -1 = 1/3y + 11. will give 5 stars if answered correctly!