SOLUTION: determine the number of liters each of 9% acid solution and 5% acid solution that must be mixed to end up with 1000 liters of 7% acid solution

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Question 630327: determine the number of liters each of 9% acid solution and 5% acid solution that must be mixed to end up with 1000 liters of 7% acid solution
Answer by Alan3354(69443)   (Show Source): You can put this solution on YOUR website!
determine the number of liters each of 9% acid solution and 5% acid solution that must be mixed to end up with 1000 liters of 7% acid solution
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7 is the average of 9 & 5, so it's equal amounts.
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