Race Puzzle

[Daij]

If you are on a twenty eight mile race for charity and cover one seventh of the total distance during the first hour and one half of what is left in the second hour, and if after covering one third of what was left in the fourth hour thus leaving six miles to go, what fraction of what was left must you have covered during the third hour?

[Muffinbear]

a quarter

[Daij]

Are you enjoying these ? I will keep posting - have loads. I know the answers to most of them. Did them years ago and came across them yesterday. Can't remember how I arrived at some ofthe answers at the time tough.