perplexus.info :: Just Math : A four number puzzle

A four number puzzle (Posted on 2019-06-15)

A, B, C, and D are four positive integers whose sum is 2019. What are the largest and smallest values that A*B+B*C+C*D can be?

See The Solution Submitted by Brian Smith

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re(2): proposed solution

Comment 5 of 5 |

(In reply to re: proposed solution by Brian Smith)

Thanks for the hint.

Dispersing B and C large and A and D small gives

1*1008+1008*1009+1009*1=1019089

Posted by xdog on 2019-06-17 10:37:49

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