document.write( "Question 662494: How many grams of an alloy that is 70% gold should be melted with 20 grams of an alloy that is 10% gold to produce an alloy that is 60% gold? \n" ); document.write( "
Algebra.Com's Answer #412308 by stanbon(75887)\"\" \"About 
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How many grams of an alloy that is 70% gold should be melted with 20 grams of an alloy that is 10% gold to produce an alloy that is 60% gold?
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\n" ); document.write( "Rwusyionz;
\n" ); document.write( "gold + gold = gold
\n" ); document.write( "0.7x + 0.10*20 = 0.60(x+20)
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\n" ); document.write( "70x + 10*20 = 60x + 60*20
\n" ); document.write( "10x = 50*20
\n" ); document.write( "x = 100 grams (amt of 70% alloy needed for the mix)
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\n" ); document.write( "Cheers,
\n" ); document.write( "Stan H.
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