Question 918670
Previously posted
x the 12% amount
.12x + .06(24oz - x) =.09(24oz) 
x = .03(24oz)/.06 = 12oz, the 12% amount.

How many ounces of the 12% acid solution should be in the mixture: 12oz
 How many ounces of the 6% acid solution should be in the mixture:  12oz