A merchant has 100 liters of a 20% alcohol solution. How many liters of pure alcohol must be added to make it a 30% alcohol solution?
A merchant has 100 liters of a 20% alcohol solution. How many…
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Written by
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A merchant has 100 liters of a 20% alcohol solution. How many liters of pure alcohol must be added to make it a 30% alcohol solution?
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