document.write( "Question 1118214: An 8L solution that was 22% vinegar was mixed with a 9L solution that was 76% vinegar. Find the concentration of the vinegar.
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Algebra.Com's Answer #733475 by ikleyn(52778)\"\" \"About 
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document.write( "8 liters of the 22% solution contain 0.22*8 liters of the vinegar.\r\n" );
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document.write( "9 liters of the 76% solution contain 0.76*9 liters of the vinegar.\r\n" );
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document.write( "The mixture has the volume of 8 liters + 9 liters = 17 liters\r\n" );
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document.write( "and contains  0.22*8 + 0.76*9  liters of vinegar.\r\n" );
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document.write( "The concentration of the mixture is the ratio of the vinegar volume to the total mixture volume of 17 liters:\r\n" );
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document.write( "    concentration = \"%280.22%2A8+%2B+0.76%2A9%29%2F%288%2B9%29\" = 0.5059  or  50.59%.\r\n" );
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document.write( "It is your\r\n" );
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document.write( "Answer.  The concentration of the mixture is 0.5059,  or  50.59%.\r\n" );
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