Solve Devon purchased tickets to an air show for 9 adults and 2 children. The total cost was 252. The cost of a child’s ticket was 6 less than the cost of an adults ticket.

Find the price of the adults ticket and child’s ticket.

Show all work including equations.

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?