SOLUTION: how many liters of a 40% solution and how many liters of a 25% soulution must be mixed to obtain 105 liters of a 34% solution

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Question 462071: how many liters of a 40% solution and how many liters of a 25% soulution must be mixed to obtain 105 liters of a 34% solution
Answer by rwm(914) About Me  (Show Source):
You can put this solution on YOUR website!
.4x+.25y=.34*105
x+y=105
x=63
y=42