SOLUTION: What quantity of 20% acid solution must be mixed with 360 mL of 50% acid solution to produce 40% acid solution?

SOLUTION: What quantity of 20% acid solution must be mixed with 360 mL of 50% acid solution to produce 40% acid solution?

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Question 926753: What quantity of 20% acid solution must be mixed with 360 mL of 50% acid solution to produce 40% acid solution?
Answer by josgarithmetic(39618) (Show Source): You can put this solution on YOUR website!
Lesson tells you how to solve: http://www.algebra.com/my/Two-Part-Mixture-with-one-material-quantity-unknown.lesson?content_action=show_dev
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