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 #258934 by ewatrrr(24785) $\"\"$ $\"About$

You can put this solution on YOUR website!


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document.write( "Hi, 
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document.write( "Let x represent the amount of pure bran flakes (an 100% solution)
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document.write( ".20*60oz + 1.00x = .40(60oz + x)
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document.write( "solving for x
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document.write( ".60x = .20*60oz
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document.write( "x = 20oz of oure bran flakes need to be added\r
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document.write( "checking our answer
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document.write( "12 + 20 = .40*80 = 32 \n" );
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