SOLUTION: 100 litres of salt solution contains 40 % of water , how much water we need to add to make it 30 % solution of salt?

SOLUTION: 100 litres of salt solution contains 40 % of water , how much water we need to add to make it 30 % solution of salt?

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Question 458774: 100 litres of salt solution contains 40 % of water , how much water we need to add to make it 30 % solution of salt?
Answer by simranb(63) (Show Source): You can put this solution on YOUR website!
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