How to solve this rate problem?

FratBro23
Category:
Calculus
Price: $5 USD

Question description

At a sand and gravel plant, sand is falling off a conveyor belt onto a pile at a rate of 10 cubic ft. per min. The diameter of the base of the cone is approximately 3x the altitude.  At what rate is the height of the pile changing when the pile is 15 ft. high?

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(Top Tutor) Daniel C.
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