A solution of 9 acid is to be diluted

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a solution of 9% of acid is to be diluted by adding 3% of acid solution to it . the resulting to it . the resulting mixture is to be more than 5% and less than 7% of acid . if there is 460 litre of 9% solution . how many litre of 3% solution will have to be added​

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Answer:

Solution : Let x L of 3% solution be added to 460 L of 9% solution of acid. It is given that acid content in the resulting mixture must be more than 5% but less than 7% acid. Hence, the number of litres of the 3% solution of acid must be more than 230 L and less than 920 L.


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