document.write( "Question 1025229: A rectangle is 4 times as long as it is wide. The perimeter of a rectangle is 50cm. what are the dimensions of the rectangle? \n" ); document.write( "
Algebra.Com's Answer #640500 by macston(5194)\"\" \"About 
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\n" ); document.write( "W=width; L=length=4W
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\n" ); document.write( "P=2(L+W)
\n" ); document.write( "50cm=2(L+W)
\n" ); document.write( "25cm=L+W
\n" ); document.write( "25cm=4W+W
\n" ); document.write( "25cm=5W
\n" ); document.write( "5cm=W
\n" ); document.write( ".
\n" ); document.write( "L=4W=4(5cm)=20cm
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\n" ); document.write( "ANSWER: Length is 20cm and width is 5cm.
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\n" ); document.write( "CHECK:
\n" ); document.write( "P=2(L+W)
\n" ); document.write( "50cm=2(20cm+5cm)
\n" ); document.write( "50cm=2(25cm)
\n" ); document.write( "50cm=50cm
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