In a scenario where Jordan combines 20 liters of saline solution B with 10 liters of a 30% saline solution to create a 20% saline solution, what is the percentage of saline in solution B?

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Explanation

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Official Explanation

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We can set up the equation as follows:

\frac{x}{100}

* 20 +

\frac{30}{100}

* 10 =

\frac{20}{100}

* 30. This simplifies to

\frac{x}{100}

* 20 + 3 = 6.…

Comments

ShivangiMar 16, 2024

Good question

What this question tests

Your ability to reason about weighted averages and the composition of mixtures.

Averaging the percentages of two solutions without weighting by their volumes.