SOLUTION: How much of a mixture of 60% acid should be mixed with 24 liters of a 30% mix to produce a mixture which is 40% acid

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Question 806451: How much of a mixture of 60% acid should be mixed with 24 liters of a 30% mix to produce a mixture which is 40% acid
Answer by richwmiller(17219) About Me  (Show Source):
You can put this solution on YOUR website!
.6x+.3*24=.4(x+24)
x = 12.