document.write( "Question 906631: a candy distributor needs to mix a 20% fat-content chocolate with 60% fat-content chocolate to create a 200 kilograms of a 26% fat-content chocolate. How many kilograms of each kind of chocolate must they use? \n" ); document.write( "
Algebra.Com's Answer #549973 by richwmiller(17219)\"\" \"About 
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a+b=200,
\n" ); document.write( "0.2*a+0.6*b=0.26*200
\n" ); document.write( "a=200-b
\n" ); document.write( "0.2*(200-b)+0.6*b=52
\n" ); document.write( "40-0.2b+0.6*b=52
\n" ); document.write( "0.4*b=12
\n" ); document.write( "b=30
\n" ); document.write( "a=200-b
\n" ); document.write( "a=170 kg at 20%
\n" ); document.write( "b=30 kg at 60%
\n" ); document.write( "check
\n" ); document.write( "0.2*170+0.6*30=0.26*200
\n" ); document.write( "34+18=52
\n" ); document.write( "52=52
\n" ); document.write( "ok
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