SOLUTION: 1 ounce of the mixture containing 6% salt is to be mixed with 2 ounces of a mixture which is 15% salt, in order to obtain a solution which is 12% salt. What is the percentage of sa

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Question 353095: 1 ounce of the mixture containing 6% salt is to be mixed with 2 ounces of a mixture which is 15% salt, in order to obtain a solution which is 12% salt. What is the percentage of salt in the resulting solution?
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
Let X be the new concentration.
Write the concentration equation:
6%281%29%2B15%282%29=X%281%2B2%29
6%2B30=3X
3X=36
highlight%28X=12%29
The resulting mixture is a 12% solution.