SOLUTION: What quantity of 60 percent acid solution must be mixed with a 30 percent solution to produce 720 mL of a 50 percent solution? Not sure How to set this up and solve please help gui

SOLUTION: What quantity of 60 percent acid solution must be mixed with a 30 percent solution to produce 720 mL of a 50 percent solution? Not sure How to set this up and solve please help gui

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Question 895392: What quantity of 60 percent acid solution must be mixed with a 30 percent solution to produce 720 mL of a 50 percent solution? Not sure How to set this up and solve please help guide me if possible.
Answer by richwmiller(17219) (Show Source): You can put this solution on YOUR website!
.60x+.30y=.50*720
x+y=720
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