10-16-2009, 04:26 PM
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Confirmed User
Industry Role:
Join Date: Apr 2004
Location: Mountain View, CA
Posts: 5,835
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Quote:
Originally Posted by BFT3K
Bill can mow the lawn in 6 minutes. His brother Jim can mow it in 9 minutes. How long will it take them to do it together, if each has his own lawnmower?
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3.6 minutes?
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