SOLUTION: A student in a chemistry laboratory has access to two acid solutions. The first solution is 12% acid and the second is 30% acid, by volume. How many milliliters (ml) of each shou

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Question 597101: A student in a chemistry laboratory has access to two acid solutions. The first solution is 12% acid and the second is 30% acid, by volume. How many milliliters (ml) of each should she mix together to obtain 360 ml of a 25% acid solution?

thanks so much for your help!
Answer by richwmiller(17219) About Me  (Show Source):
You can put this solution on YOUR website!
x+y=360
.12x+.3y=.25*360