(In reply to No calculus involved
by Steve Herman)
An excellent analysis. I had failed to realize the insight that each walker must spend an equal walking/riding distribution as any other walker in order to arrive at the same time as each other.
Great puzzle too, pcbouhid.
Edited on December 6, 2008, 1:10 pm
Posted by Charlie
on 2008-12-06 13:06:57