document.write( "Question 300184: A chef is using a mixture of two brands of Italian dressing. The first brand contains 10% vinegar, and the second brand contains 15% vinegar. The chef wants to make 260 milliliters of a dressing that is 13% vinegar. How much of each brand should she use?
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Algebra.Com's Answer #215466 by nerdybill(7384)\"\" \"About 
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A chef is using a mixture of two brands of Italian dressing. The first brand contains 10% vinegar, and the second brand contains 15% vinegar. The chef wants to make 260 milliliters of a dressing that is 13% vinegar. How much of each brand should she use?
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\n" ); document.write( "Let x = milliliters of 10% vinegar
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\n" ); document.write( "260-x = milliliters of 30% vinegar
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\n" ); document.write( ".10x + .30(260-x) = .13(260)
\n" ); document.write( ".10x + 78 - .30x = 33.8
\n" ); document.write( "78 - .20x = 33.8
\n" ); document.write( "-.20x = -44.2
\n" ); document.write( "x = 221 milliliters of 10% vinegar
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\n" ); document.write( "30% vinegar:
\n" ); document.write( "260-x = 260-221 = 39 milliliters\r
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