Math Problem of the Week

Submitted by david.thacker on Mon, 11/15/2021 - 07:44
Bowl of marbles

A Game of Marbles

Ron and Martin are playing a game with a bowl containing 39 marbles.                

Each player takes turns removing 1, 2, 3, or 4 marbles from the bowl. The person who removes the last marble loses.     

If Ron takes the first turn to start the game, how many marbles should he remove to guarantee he is the winner?

Here is the link to to submit answers https://forms.gle/a9WAb2g1H1srpG8fA