Ship-Shape!
Level
pending
Picture a ship at anchor. Over the side hangs a rope ladder with half metre rungs. The tide rises a half metre per hour. At the end of five hours how much of the ladder will remain above the water when the tide began to rise?
10 rungs
8 rungs
7 rungs
9 rungs
6 rungs
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1 solution
Nine rungs will be above the water.
As the tide rises, so too will the ship and the ladder!