document.write( "Question 242662: Given a/b = 2, a/c =12 a/d = 2 find the value of ab /cd \n" ); document.write( "
Algebra.Com's Answer #177639 by rapaljer(4671)\"\" \"About 
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a/b=2, so a=2b\r
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\n" ); document.write( "\n" ); document.write( "a/c=12, so a = 12c\r
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\n" ); document.write( "\n" ); document.write( "a/d=2, so a=2d\r
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\n" ); document.write( "\n" ); document.write( "a/b=a/d, so b=d\r
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\n" ); document.write( "\n" ); document.write( "2d=12c
\n" ); document.write( "d=6c\r
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\n" ); document.write( "\n" ); document.write( "\"%28ab%29%2F%28cd%29\"\r
\n" ); document.write( "\n" ); document.write( "=\"%28ab%29%2F%28cb%29\"
\n" ); document.write( "=\"a%2Fc\"\r
\n" ); document.write( "\n" ); document.write( "\"12\"\r
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\n" ); document.write( "\n" ); document.write( "Dr. Robert J. Rapalje, Retired
\n" ); document.write( "Seminole State College of Florida
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