Mathematics, 10.11.2020 08:20 toxsicity

A ship anchored in a port has a ladder which hangs over the side. The length of the ladder is 200cm, the distance between each rung in 20cm and the bottom rung touches the water. The tide rises at a rate of 10cm an hour. When will the water reach the fifth rung?

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A ship anchored in a port has a ladder which hangs over the side. The length of the ladder is 200cm,...