SOLUTION: if you have 50 % acetone and 80% acetone and you're trying to make 12 liters of 50% acetone how much of each solution do you need?

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Question 911246: if you have 50 % acetone and 80% acetone and you're trying to make 12 liters of 50% acetone how much of each solution do you need?
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!
to make 12 liters of 50% acetone ??? is that the question?
.80x + .50(12L-x) = .50(12L)
x = 0
just use 12L of the 50%