document.write( "Question 736600: Ellen's cat weighs 2 times as much as her sister's kitten. Together the cat and kitten weigh 9 pounds. How much does the kitten weigh? \n" ); document.write( "
Algebra.Com's Answer #450343 by musicmaster4(7)\"\" \"About 
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let Ellen's cat=x
\n" ); document.write( "let sister's kitten=y\r
\n" ); document.write( "\n" ); document.write( "x=2y
\n" ); document.write( "x+y=9\r
\n" ); document.write( "\n" ); document.write( "trial and error
\n" ); document.write( " 6+3=9
\n" ); document.write( " 6=2(3)
\n" ); document.write( " 6=6
\n" ); document.write( "x=6lbs.,y=3lbs.
\n" ); document.write( "
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