Work Riddles

The Lazy Brother-in-law
Riddle:
David was known as being lazy. He agreed to work on a job for his brother-in-law for thirty hours at eight dollars an hour, on the condition that he would forfeit ten dollars per hour for every hour that he idled. At the end of the thirty hours David wasn't owed any money and didn't owe his brother-in-law any money either. How many hours did Larry work and how many hours did he idle?
Show Answer
Something in My Eye
Riddle:
I always have to work with something in my eye. What am I?
Show Answer
From Head to Toes
Riddle:
You use me from your head to your toes. The more I work, the thinner I grow. What am I?
Show Answer