SOLUTION: a solution of 79% is to be mixed with a solution of 21% to form 638 liters of 52% solution. how many liters of the 79% solution must be used

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Question 584860: a solution of 79% is to be mixed with a solution of 21% to form 638 liters of 52% solution. how many liters of the 79% solution must be used

Answer by richwmiller(17219)   (Show Source): You can put this solution on YOUR website!
.79x+.21y=.52*638
x+y=638
x=341
y=297

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