document.write( "Question 862748: A chef is using a mixture of two brands of Italian dressing. The first brand contains 8% vinegar, and the second brand contains 11% vinegar. The chef wants to make 300 milliliters of a dressing that is 9% vinegar. How much of each brand should she use? \n" ); document.write( "
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A chef is using a mixture of two brands of Italian dressing. The first brand contains 8% vinegar, and the second brand contains 11% vinegar. The chef wants to make 300 milliliters of a dressing that is 9% vinegar. How much of each brand should she use?
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\n" ); document.write( "let x=amt of 9% vinegar to use in mixture
\n" ); document.write( "300-x=amt of 11% vinegar to use in mixture
\n" ); document.write( "..
\n" ); document.write( "8%x+11%(300-x)=9%*300
\n" ); document.write( ".08x+33-.11x=27
\n" ); document.write( ".03x=6
\n" ); document.write( "x=200
\n" ); document.write( "300-x=100
\n" ); document.write( "amt of 9% vinegar to use in mixture=200 ml
\n" ); document.write( "amt of 11% vinegar to use in mixture=100 ml
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