Question 407084: how many liters of 35% saline solution should be mixed with 65% saline solution to obtain 120 liters of 55% saline soluton? Answer by stanbon(75887) (Show Source):
You can put this solution on YOUR website! how many liters of 35% saline solution should be mixed with 65% saline solution to obtain 120 liters of 55% saline soluton?
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Equation:
salt + salt = salt
0.35x + 0.65(120-x) = 0.55*120
Multiply thru by 100 to get:
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35x + 65*120 - 65x = 55*120
-30x = -10*120
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x = (1/3)(120)
x = 40 liters (amt. of 35% solution needed)
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Cheers,
Stan H.
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