SOLUTION: What quantity of a 75% acid solution must be mixed with a 45% solution to produce 400 mL of a 60% solution?

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Question 796357: What quantity of a 75% acid solution must be mixed with a 45% solution to produce 400 mL of a 60% solution?
Answer by Alan3354(69443)   (Show Source): You can put this solution on YOUR website!
What quantity of a 75% acid solution must be mixed with a 45% solution to produce 400 mL of a 60% solution?
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60 is the average of 75 & 45, so it's equal parts.

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