19 Sep
The leapfrog problem - who is right?
In chapter 7 of his book Number-Crunching Paul Nahin treats a "Leapfrog" problem posed by M. Schwartz from Ventura, CA, to Marylin von Savant in her "Ask Marylin" column: A friend and I once went from his house to mine with one bike. I started walking and he rode the bike. When he got a [...]