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rokhayakebe
on July 5, 2010
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How much change is in a vending machine?
Why not just wait until the guy who changes the food comes in and ask him?
jws
on July 5, 2010
[–]
You could offer a barometer in exchange.
GFischer
on July 5, 2010
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this references the "barometer problem" legend:
http://www.snopes.com/college/exam/barometer.asp
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