Last Problem:
There are 3 friends at Shannon’s birthday party. Each is allowed to make one vertical cut to the cake. What is the maximum amount of pieces of cake that can be cut?
Answer
Assuming the cake is a normal round cake, 11 pieces can be cut – slices that are not cutting it in half, but partial cuts that intersect each other – draw a round circle and then 4 straight lines through it, but not halving the cake at any time.”
Today’s Problem
An express train takes 3 seconds to enter a tunnel which is 3 miles long. If it is traveling 120 miles per hour, how long until it passes completely through the tunnel?