SOLUTION: If you mix 10 ounces of a 12% alcohol solution with two ounces of a 40% alcohol solution, what is the concentration of alcohol in the final mixture?

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Question 1124589: If you mix 10 ounces of a 12% alcohol solution with two ounces of a 40% alcohol solution, what is the concentration of alcohol in the final mixture?
Answer by ikleyn(52776) About Me  (Show Source):
You can put this solution on YOUR website!
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The final concentration is


    %280.12%2A10+%2B+0.4%2A2%29%2F%2810%2B2%29 = 2%2F12 = 1%2F6 = 0.16667 = 16.67% (approximately).

The numerator is the volume of the pure alcohol in the mixture in ounces;

the denominator is the total liquid volume.

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For introductory lessons covering various types of mixture word problems see
    - Mixture problems
    - More Mixture problems
    - Solving typical word problems on mixtures for solutions
    - Typical word problems on mixtures from the archive
in this site.

You will find there ALL TYPICAL mixture problems with different methods of solutions,
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Read them and become an expert in solution mixture word problems.

Also,  you have this free of charge online textbook in ALGEBRA-I in this site
    - ALGEBRA-I - YOUR ONLINE TEXTBOOK.

The referred lessons are the part of this textbook in the section "Word problems" under the topic "Mixture problems".


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Free of charge online textbook in ALGEBRA-I
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to your archive and use it when it is needed.