Neco 2022 Mathematics Question 2
Practice essay / theory question 2 from the 2022 Neco Mathematics examination. This question covers Fractions, Decimals and Percentages .
A solution contains 30% acid by volume. To increase the concentration to 45% without changing the total volume, a certain amount of the original solution is removed and replaced with pure acid. What fraction of the original solution must be removed and replaced? Express your answer as a simplified fraction and as a percentage (to one decimal place).
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This is Neco 2022 Mathematics Question 2. It is one of the essay questions from the 2022 Neco Mathematics examination.
The question covers Fractions, Decimals and Percentages .
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