document.write( "Question 610144: how many ounces of pure silver should be added to 80 ounces of 75% pure, to obtain a mixture of 80% pure ? \n" ); document.write( "
Algebra.Com's Answer #384196 by flame8855(424)\"\" \"About 
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cava=cbvb
\n" ); document.write( "0.75*80= 0.8*vb
\n" ); document.write( "vb= 75 ounces
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