SOLUTION: two solutions of h2so4. one has 40% concentration and one has 25% concentration. How many liters of each must be mixed to get 137 liters of 36% solution?

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Question 248036: two solutions of h2so4. one has 40% concentration and one has 25% concentration. How many liters of each must be mixed to get 137 liters of 36% solution?
Answer by richwmiller(17219) About Me  (Show Source):
You can put this solution on YOUR website!
.40x+.25(137-x)=.36(137)
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