document.write( "Question 1205145: An alloy is a mixture of metals suppose that a certain alloy is made by mixing 100 grams of an alloy that contains 28% copper with 28 grams of pure copper how many grams of copper are in the resulting mixture? What percentage of the resulting mixture is copper? \n" ); document.write( "

Algebra.Com's Answer #841790 by Edwin McCravy(20056) $\"\"$ $\"About$

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An alloy is a mixture of metals suppose that a certain alloy is made by mixing
\n" ); document.write( "100 grams of an alloy that contains 28% copper with 28 grams of pure copper how
\n" ); document.write( "many grams of copper are in the resulting mixture? What percentage of the
\n" ); document.write( "resulting mixture is copper.
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document.write( "       | grams  |  percentage  |  grams of\r\n" );
document.write( "       |of metal|   of copper  |   copper \r\n" );
document.write( "-------|--------|--------------|------------\r\n" );
document.write( "alloy  |  100   |  28% = 0.28  |100(0.28)=28\r\n" );
document.write( "-------|--------|--------------|---------\r\n" );
document.write( "copper |   28   | 100% = 1.00  | 28(1.00)=28\r\n" );
document.write( "-------|--------|--------------|------------\r\n" );
document.write( "total  |  128   |              |          56\r\n" );
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document.write( "Edwin

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