SOLUTION: How much pure acid must be added to 12 ounces of a 40 percent acid solution in order to produce a 60 percent acid solution?

Question 771615: How much pure acid must be added to 12 ounces of a 40 percent acid solution in order to produce a 60 percent acid solution?
Answer by josgarithmetic(39617) (Show Source): You can put this solution on YOUR website!
H = 100%
y = unknown ounces of H
L = 40%
X = 12 ounces of L
T= 60%, concentration wanted

ONLY one unknown. Need only one equation.

BASIC EQUATION, SOLVE FOR y.

Substitute available values to find the value for y.
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