Question

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A solution of 8% of boric acid is to be diluted by adding a 2% of boric acid solution to it. The resulting mixture is to be more than 4% but less than 6% boric acid. If we have 640 L of the 8% solution, how many litre of the 2% solution will have to be added ? ​

Answer 1

Answer:

8×8÷729288×8π

Step-by-step explanation:

Answer 2

Answer:

Thus, the number of litres of 2% of boric acid solution that is to be added will have to be more than 320 litres but less than 1280 litres.