If 15 litres of milk are mixed with 25 litres of a solution that contains milk and water in the ratio of 2 : 3, what will be the new ratio of milk to water after the addition?

Correct answer marked below

4 : 3

5 : 3

Correct

7 : 3

6 : 5

8 : 5

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Explanation

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Official Explanation

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We start with the ratio of milk to water as

\frac{2}{3}

. This means that

milk=\frac{2}{3}water

. Given that the total solution is 25 litres, we can express this as

milk + water = 25

. Solving these equations, we find:…

Comments

ThitipongNov 4, 2024

Can someone explain it other way?

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.