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Problem 281. Acid and water

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Assume that there is a 100 liter tank.

It is initially filled with just distilled water.

It is continuously drained at R liters per minute.

This tank is always maintained full and homogeneous by continuously adding and stirring R liters per minute of an unknown acid (or some fancy oil if it helps you solving this problem).

How many liters W of water will be in the tank after M minutes?

Neglect any expansion or contraction when the acid is mixed with water.

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30.0% Correct | 70.0% Incorrect
Last Solution submitted on Feb 18, 2020

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