herby971herby971 herby971herby971
  • 29-08-2017
  • Mathematics
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How many liters of a 20% alcohol solution must be mixed with 60 liters of a 90% solution to get a 30% solution?

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habibj
habibj habibj
  • 30-08-2017
You would need to add 360L of the 20% ethanol solution. 
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