Mathematics, 15.04.2021 19:40 citiboy45

A chemical is diluted out of a tank by pumping pure water into the tank and pumping the existing solution out of it, so the volume at any time that is 20 2t20 2t20, plus, 2, to. The amount zzz of chemical in the tank decreases at a rate proportional to zzz and inversely proportional to the volume of solution in the tank. Which equation describes this relationship

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