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Brain Teaser 2
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A boat is at anchor. Over the side hangs a rope ladder
with rungs a foot apart. The tide rises at a rate of 10 inches per hour. At the end of six hours, how much of the rope ladder will remain above water, assuming that 10 feet were above the water when the tide began to rise?
with rungs a foot apart. The tide rises at a rate of 10 inches per hour. At the end of six hours, how much of the rope ladder will remain above water, assuming that 10 feet were above the water when the tide began to rise?
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