Dean plays 20 hours and lost $1000.
Rob plays 130 hours and wins $2000.

First half: Dean gets -$500. Rob gets $1000.
Second half: Dean gets $133.33. Rob gets $866.66.

Rob played 130 hours, made $2000, kept $1000.
Dean played 20 hours, lost $1000, kept $0.

-- Anonymous, May 02, 2001

Answers

see my comments on example 3... same applies here.

-- Anonymous, May 02, 2001