Posted by hanaa on Sunday, April 13, 2008 at 6:39pm.
Not sure if this is right, but 30% acid is 5% away from Solution A, and 10% away from Solution B, so I figured the ratio needed of Solution A:Solution B was 2:1. I then did
2x+x=60
x=20
since the ratio is 2x:x, it is also 40:20.
40 liters Solution A, 20 liters Solution B.
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