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Mar 22, 2007 22:24

Four prospectors with only one lantern must walk through a mineshaft. At most, two prospectors can travel together and any prospector in the shaft must be with the lantern. The prospectors, named Andrews, Blake, Johnson, and Kelly, can walk through the shaft in one minute, two minutes, four minutes, and eight minutes, respectively. When two walk ( Read more... )

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Comments 2

ooohyeah March 23 2007, 14:39:11 UTC
will took a class last year where he had to do those. i would always try to help him figure them out, but i couldnt.

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prospectors anonymous February 6 2008, 17:24:34 UTC
I have the same problem and I cannot sol
ve it. Help.warren_kc_fb@yahoo.com

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