perplexus.info :: General : Flat Out

Flat Out (Posted on 2003-12-17)

What is the minimum number of pennies that can be placed upon a table so that each penny touches three, and only three, others?

(All the pennies must lie flat on the table.)

See The Solution Submitted by DJ

Rating: 4.3333 (9 votes)

Comments: ( Back to comment list | You must be logged in to post comments.)

Gimme a nickel...

| Comment 21 of 24 |

and I only need it and 11 pennies.

But that's still 16 cents!

Posted by Jer on 2005-02-07 17:27:31

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