document.write( "Question 822468: The amount of copper in zinc is one fourth of the total weight. if a sample contains 5 and one third ounces of copper, what is the total weight of the sample? \n" ); document.write( "
Algebra.Com's Answer #494868 by josmiceli(19441)\"\" \"About 
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Let \"+W+\" = the total weight of the sample in ounces
\n" ); document.write( "Let \"+c+\" = the weight of copper in the sample in ounces
\n" ); document.write( "given:
\n" ); document.write( "\"+c%2FW+=+1%2F4+\"
\n" ); document.write( "\"+c+=+%281%2F4%29%2AW+\"
\n" ); document.write( "\"+W+=+4c+\"
\n" ); document.write( "\"+W+=+4%2A%28+16%2F3+%29+\"
\n" ); document.write( "\"+W+=+64%2F3+\"
\n" ); document.write( "\"+W+=+21.333+\"
\n" ); document.write( "The total weight of the sample is 21 and 1/3 ounces\r
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