document.write( "Question 363187: How many ounces of pure bran flakes must be added to 60 oz of cereal that is 20% bran flakes to produce a mixture that is 40% bran flakes?
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Algebra.Com's Answer #258933 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! How many ounces of pure bran flakes must be added to 60 oz of cereal that is 20% bran flakes to produce a mixture that is 40% bran flakes?\r \n" ); document.write( "\n" ); document.write( "------------------ \n" ); document.write( "Equation: \n" ); document.write( "bran + bran = bran \n" ); document.write( "0.20*60 + 1.00x = 0.40(60+x) \n" ); document.write( "--- \n" ); document.write( "Multiply thru by 100 to get: \n" ); document.write( "20*60 + 100x = 40*60 + 40x \n" ); document.write( "60x = 20*60 \n" ); document.write( "x = 20 ounces (amt. of pure bran needed in the mixture) \n" ); document.write( "-------------------- \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( " |