Which expression is equivalent to 15 y - 8 y ?
5 y+ 2 y
9 y - 3 y
Choose the correct answer below.
A.
The expression 9 y minus 3 y is equivalent to 15 y minus 8 y.
B.
Both expressions are equivalent to 15 y minus 8 y.
C.
Neither expression is equivalent to 15 y minus 8 y.
D.
The expression 5 y plus 2 y is equivalent to 15 y minus 8 y.

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?