At what rate is the volume of a box changing if the width of the box is increasing at a rate of 3cm/s, the length is increasing at a rate of 2cm/s and the height is decreasing at a rate of 1cm/s, when the height is 4cm, the width is 2cm and the volume is 40cm3 .

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A: Please see the answer below

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A: image is attached

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A:

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A: Please refer the attached image for complete solution.

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Q: A tank contains 60 gallons of a solution composed of 85% water and 15% alcohol. A second solution…

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A: image is attched

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A: Let's find.

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