document.write( "Question 892413: A chef is using a mixture of two brands of Italian dressing. The first brand contains 9% vinegar, and the second brand contains 14% vinegar. The chef wants to make 300 milliliters of a dressing that is 10% vinegar. How much of each brand should she use? \n" ); document.write( "
Algebra.Com's Answer #544390 by richwmiller(17219)![]() ![]() You can put this solution on YOUR website! a+b=300, \n" ); document.write( "0.09*a+0.14*b=0.1*300 \n" ); document.write( "a=300-b \n" ); document.write( "0.09*(300-b)+0.14*b=30 \n" ); document.write( "27-0.09b+0.14*b=30 \n" ); document.write( "0.05*b=3 \n" ); document.write( "b=60 \n" ); document.write( "a=300-b \n" ); document.write( "a=240 \n" ); document.write( "b=60 \n" ); document.write( "a=240 b=60 \n" ); document.write( " |