Shelly can keypunch 300 cards in 1 hour. When she and Linda work together, they can complete the job in 24 minutes. How long would it take Linda to keypunch 300 cards if she worked alone? (40 min)

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?

Yvaries inversely as x. y =12 when x=5. find y when x=4

Parallelogram efgh is a rectangle. he = 6, and fe = 8. find ge: and find fj: