Dan and Louis both weighed 90 lbs. Both climbed a hill which rose 60 feet. It took Dan 10 minutes and Louis 4 minutes. How much work did Dan and Louis do? Dan: 540 foot-pounds, Louis: 1200 foot-pounds Dan: 5400 foot-pounds, Louis: 5400 foot-pounds Dan: 900 foot-pounds, Louis: 360 foot-pounds