From: James Gray <james@...>
Date: 2008-01-29T06:25:28+09:00
Subject: Re: Making Change (#154)

On Jan 28, 2008, at 3:14 PM, Paolo Bonzini wrote:

>> why there aren't any 17cent coins around -- which would be fun  
>> though.
>
> There was a puzzle on DDJ asking for the optimal set of coins (i.e.
> the one giving the smallest number of coins on average).  I don't have
> it at hand but the results were weird, I recall.

The book this quiz is based on explores that topic.  It recommended we  
adopt an 18 cent coin, among other variations.

James Edward Gray II