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A container contains 54 litres of acid. Initially 9 litres of acid was replaced with water and the process was done one more time.

A container contains 54 litres of acid. Initially 9 litres of acid was replaced with water and the process was done one more time. How much acid is now present in the container? 1. 32.5 34.5 3. 35 4. 37.5 39 2. 5.

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