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Related Rates: The pool is 20m long, and getting longer at a rate of 0.4m/second. The...

Related Rates: The pool is 20m long, and getting longer at a rate of 0.4m/second. The pool is 15m wide, and getting narrow at the rate of 0.2m/second. If the water is 2m deep right now, how fast it the water level changing? Is it going up or down?

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