Doug C. answered 02/13/21
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Dave T.
asked 02/13/21A tank contains a mixture of acid and water. If 30 liters of acid are added the mixture will be 70% acid. If 30 liters of water are added the mixture will be 50% acid. Find the percentage of acid in the original mixture.
Doug C. answered 02/13/21
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Dave T.
Thank you very much sir!! Its clear to me now02/14/21