Reach The Door
If you're 8 feet away from a door and with each move you advance half the distance to the door. How many moves will it take to reach the door?
Marathon Man
The marathon man timed himself and found out that if he wore a bright white outfit he ran 20 miles in 80 minutes but when he wore a dark outfit he ran 20 miles in one hour and twenty minutes. What does this mean for his next race?

