SOLUTION: A hospital needs to dilute a 60% boric solution to a 10% solution. If it needs 40 liters of the 10% solution, how much of the 60% solution and how much water should it use?

Question 337049: A hospital needs to dilute a 60% boric solution to a 10% solution. If it needs 40 liters of the 10% solution, how much of the 60% solution and how much water should it use?
Answer by Fombitz(32388) (Show Source): You can put this solution on YOUR website!
Let A be the amount of 60% solution and B the amount of 0% solution (pure water).
1.
.
.
.

Then from eq. 1,

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