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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30.55% Correct | 69.45% Incorrect
Last solution submitted on Oct 18, 2019

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