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Question: A swimming pool is 20 feet wide & 34 feet long, 6 feet deep at the shallow end & 9 feet deep at its deepest point. A cross-section is shown in the figure. If the pool is being filled at a rate of 0.75feet3/min, how fast is the water level rising when the depth at the deepest point is 2 feet?

309_swimming-pool.jpg

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