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
\n" ); document.write( "\n" ); document.write( "Is this correct?\r
\n" ); document.write( "\n" ); document.write( "Let x = grams of 100% gold
\n" ); document.write( "Let y = grams of 75% gold allow
\n" ); document.write( "Given x + y = 50 grams
\n" ); document.write( "Find x and y for 85% gold alloy
\n" ); document.write( "________________________________________
\n" ); document.write( "X + .75(50 – x) = .85 * 50
\n" ); document.write( "X = 20
\n" ); document.write( "Y = 30
\n" ); document.write( "
\n" ); document.write( "

Algebra.Com's Answer #160484 by stanbon(75887)\"\" \"About 
You can put this solution on YOUR website!
That looks good.
\n" ); document.write( "Cheers,
\n" ); document.write( "Stan H.
\n" ); document.write( "
\n" );