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Math Help - Concentration of a mixture

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    Concentration of a mixture

    a 12-ounce can of frozen orange juice concentrate is mixed with 3 cans of cold water to obtain a mixture that is 10% juice. what is the percent of pure juice in the concentrate?
    Last edited by mr fantastic; March 29th 2010 at 12:21 AM. Reason: Changed post title
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  2. #2
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    Quote Originally Posted by jjjjj View Post
    a 12-ounce can of frozen orange juice concentrate is mixed with 3 cans of cold water to obtain a mixture that is 10% juice. what is the percent of pure juice in the concentrate?
    The final juice has 4(12)= 48 onces of liquid. If that is 10% juice then there are 4.8 ounces of juice in it. Since you only added water, there must have been 4.8 ounces of juice in the initial 12 ounces.
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