document.write( "Question 212524: How many grams of pure gold and how many grams of an alloy that is 75% gold would it take to make 50 grams of an alloy that is 85% gold?\r
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document.write( "Is this correct?\r
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document.write( "Let x = grams of 100% gold
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document.write( "Let y = grams of 75% gold allow
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document.write( "Given x + y = 50 grams
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document.write( "Find x and y for 85% gold alloy
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document.write( "X + .75(50 – x) = .85 * 50
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document.write( "X = 20
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document.write( "Y = 30
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Algebra.Com's Answer #160484 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! That looks good. \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( " |