SOLUTION: How many liters of a 70 percent alcohol solution must be added to 50 liters of a 40 percent alcohol solution to produce a 50 percent solution?

SOLUTION: How many liters of a 70 percent alcohol solution must be added to 50 liters of a 40 percent alcohol solution to produce a 50 percent solution?

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Question 419834: How many liters of a 70 percent alcohol solution must be added to 50 liters of a 40 percent alcohol solution to produce a 50 percent solution?
Answer by scott8148(6628) (Show Source): You can put this solution on YOUR website!
this is a fairly standard mixture problem

(x)(70%) + (50)(40%) = (50 + x)(50%)
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