Problem 152 Answer

Visualize the box folded out. The spider has to crawl 22"+1"+1"=24" vertically and 4.5"+9"+4.5"=18" horizontally. The total distance traveled is (24"² + 18"²)^1/2 =
(576" + 324")^1/2 =
900"^1/2 =
30".

Thanks to Anil Rhemtulla for this problem.

Michael Shackleford, ASA, March 11, 2000

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