Question 993626: How many liters of a 25% salt solution must be added to 20 liters of a 12% solution to get a solution that is 20% salt? Answer by stanbon(75887) (Show Source):
You can put this solution on YOUR website! How many liters of a 25% salt solution must be added to 20 liters of a 12% solution to get a solution that is 20% salt?
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Equation:
salt + salt = salt
0.25x + + 0.12*20 = 0.20(x+20)
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25x + 12*20 = 20x + 20*20
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5x = 8*20
x = 8*4 = 32 liters (amt of 25% solution to add)
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Cheers,
Stan H.
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