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When the tide is at its highest, how many rungs are under water?

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A boat has a ladder that has six rungs; each rung is one foot apart. The bottom rung is one foot from the water. The tide rises at 12 inches every 15 minutes. High tide peaks in one hour.
asked Nov 23, 2011 in how-to by anonymous

1 Answer

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  1. None, the boat rises with the tide.
answered Nov 23, 2011 by anonymous