document.write( "Question 215971: Brass is an alloy created using 80% copper and 20% zinc. If Henri’s brass trumpet contains 48 ounces of copper, how many ounces of zinc are in the trumpet? \n" ); document.write( "
Algebra.Com's Answer #163125 by checkley77(12844)\"\" \"About 
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copper/zinc=.80/.20=4
\n" ); document.write( "48/x=4
\n" ); document.write( "4x=48
\n" ); document.write( "x=12 oz. of zinc.
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