<PRE><B>Question 900087</B>
Mixing equal parts of 5% (acidic)vinegar with 20% (acidic)vinegar will produce WHAT __% (acidic) vinegar?
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Note:: If you add x amt. to x amt. you end up with 2x amt.
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Equation:

0.05x + 0.20x = 0.25x = (0.125)(2x)
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Ans: 12.5 %
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Cheers,
Stan H.</PRE>