(2 i.~ >: % <:) i. 10 3 cheers, bob On 2013-02-25, at 9:34 AM, km wrote:
> Here is a two-minute puzzle. Ike and Mike have the same number of pennies, > but if Ike gives Mike one penny, Mike will have twice as many as Ike. How > many pennies does each have? > > When I was learning algebra I spent hours devising a solution using two > equations in two unknowns, not noticing that one equation in one unknown > would do. When I raised this question at dinner with my daughter she solved > it in seconds by pushing peas around on her plate. Solve it in seconds with > a J exploration! > > Kip Murray > > Sent from my iPad > ---------------------------------------------------------------------- > For information about J forums see http://www.jsoftware.com/forums.htm ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm
