Last week Raul worked 11 more hours than Angelica. If they worked a combined total of 59 hours, how many hours did Angelica work last week?

6 women can complete a work in 46 hours. In how many hours will 23 women complete that work?

A can do a piece of work in 6 days working 8 hours a day while B can do the same work in 4 days working 10 hours a day. If the work has to be completed in 5 days, so how many hours do they need to work together in a day?

A can do a piece of work in 24 hours while B alone can do it in 16 hours. If A, B and C working together can finish in 8 hours, in how many hours will C alone do the work?

L alone can complete a work in 200 hours. M alone can complete the same work in 150 hours. L, M and N together can complete the same work in 60 hours. In how many hours can N alone complete the work?

A watch loses x minutes every y hours. At this rate, how many hours will the watch lose in one week?

The amount of time that three people worked on a special project was in the ratio of 2 to 3 to 5. If the project took 110 hours, how many more hours did the person who worked the most hours work than the person who worked the least hours?