Quote:
Originally posted by KnifeMissle
Consider a rope that burns the first 99% of itself in only 2 seconds but takes a full 58 seconds to burn the last 1%. Now, the funny thing about this rope is that it burns the same way in the other direction. So, if you were to burn both ends at the same time, it would burn for about 1 second, which is a far cry from our intended 30!
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It would still burn for 30 seconds. The burn on the fast end would spend 2 seconds working on the first 99% and the other 28 seconds working on that last 1%. The burn on the other end would spend 30 seconds on that 1%. 28+30 = 58 burn-seconds required to get rid of that last piece.
EDIT: I now get what he's talking about. Disregard the above.