SOLUTION: In a chemistry class, 24 gallons of a 12% saline solution must be mixed with a 20% saline solution to get a 14% saline solution. How many gallons of the 20% solution are needed? 5
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Question 1048845: In a chemistry class, 24 gallons of a 12% saline solution must be mixed with a 20% saline solution to get a 14% saline solution. How many gallons of the 20% solution are needed? 5,6,8, or 10.5 gallons? Answer by josgarithmetic(39617) (Show Source):
Numerator is how much pure salt (sodium chloride) but 100 times more.
Denominator is how much volume.
The right side member is the percentage of salt in solution wanted.
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