document.write( "Question 1183020: The length of a rectangle of 4 cm less than triple it’s width. The perimeter of the rectangle is 124. What is the length and width of the rectangle \n" ); document.write( "
Algebra.Com's Answer #813160 by MathLover1(20850)\"\" \"About 
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\n" ); document.write( "given:\r
\n" ); document.write( "\n" ); document.write( "The length of a rectangle of \"4\" cm less than triple it’s width,\r
\n" ); document.write( "\n" ); document.write( "\"L=3W-4\"....eq.1\r
\n" ); document.write( "\n" ); document.write( "if the perimeter of the rectangle is \"124\", we have\r
\n" ); document.write( "\n" ); document.write( "\"2%28L%2BW%29=124\"....substitute \"L\" from eq.1\r
\n" ); document.write( "\n" ); document.write( "\"2%283W-4%2BW%29=124\"\r
\n" ); document.write( "\n" ); document.write( "\"4W-4=124%2F2\"\r
\n" ); document.write( "\n" ); document.write( "\"4W=62%2B4\"\r
\n" ); document.write( "\n" ); document.write( "\"W=66%2F4\"\r
\n" ); document.write( "\n" ); document.write( "\"W=16.5\"\r
\n" ); document.write( "\n" ); document.write( "then\r
\n" ); document.write( "\n" ); document.write( "\"L=3%2A16.5-4\" \r
\n" ); document.write( "\n" ); document.write( "\"L=45.5\" \r
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\n" ); document.write( "\n" ); document.write( " the length is \"45.5\" cm and width is \"16.5\" cm\r
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