document.write( "Question 288770: The perimeter of a parallelogram is 54 centimeters. The ratio of the lengths of the sides is 2:7. What are the lengths of the sides? \n" ); document.write( "
Algebra.Com's Answer #209268 by richwmiller(17219)\"\" \"About 
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2+7=9
\n" ); document.write( "9 parts
\n" ); document.write( "2w+2l=54
\n" ); document.write( "2(w+l)=54
\n" ); document.write( "w+l=27
\n" ); document.write( "27/9=3
\n" ); document.write( "2*3=6
\n" ); document.write( "7*3=21\r
\n" ); document.write( "\n" ); document.write( "6/21=2/7
\n" ); document.write( "6 cm and 21 cm are the lengths.
\n" ); document.write( "check
\n" ); document.write( "6+6=12
\n" ); document.write( "21+21=42
\n" ); document.write( "12+42=54
\n" ); document.write( "ok
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