In solution Z, there are water and liquid Y. The proportion of water to Y in 35 kg of solution Z is 3 to 4. If 3 kg of water is added to the solution, what will be the new ratio of liquid Y to water?

Correct answer marked below

2:1

3:2

4:3

10:9

Correct

13:9

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Explanation

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Official Explanation

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In solution Z, the ratio of water to Y is 3:4. In 35 kg of solution, the amount of water can be calculated as follows: water = 35*

\frac{3}{7}

= 15 kg. Therefore, the amount of liquid Y is…

Comments

MahnoorJul 12, 2024

cheers!

MeiirkhanMar 27, 2024

Great!

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.