SOLUTION: How many liters of a 6% solution of salt should be added to a 20% solution in order to obtain 630 liters of a 12% solution?
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Question 877365: How many liters of a 6% solution of salt should be added to a 20% solution in order to obtain 630 liters of a 12% solution?
Answer by josgarithmetic(39617) (Show Source): You can put this solution on YOUR website!
Is the percent as mass per volume? Simpler calculation if so.
x for the 6%
y for the 20%
and .
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