SOLUTION: Hi A container is filled with 300 litres of water and 100 litres of chemical. 80 litres of the mixture is removed and another 80 litres of chemical is added to obtain the original

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Question 1209718: Hi
A container is filled with 300 litres of water and 100 litres of chemical. 80 litres of the mixture is removed and another 80 litres of chemical is added to obtain the original volume. What is the percentage of the chemical in the final mixture.

Answer by timofer(105) About Me  (Show Source):
You can put this solution on YOUR website!
Done quickly without carefully checking:
%28100-80%281%2F4%29%2B80%29%2F400
160%2F400
160 liters of the chemical now in the original container volume; 40%