Which expression represents the volume of the cone

In the derivation of the formula for the volume of a cone,

the volume of the cone is calculated to be 4 times the

ne

volume of the pyramid that it fits inside

that is 4 times the volume of the pyramid that it fits

inside?

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?