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Posted 08 March 2008 - 08:24 PM
Posted 08 March 2008 - 08:58 PM
Water lilies growing on a pond double their surface area coverage each day. It took 40 days for the water lilies to cover half of the pond. How long will it take for the lilies to cover the entire pond?
Posted 09 March 2008 - 12:12 AM
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