document.write( "Question 1127787: The length of a rectangle dinning hall is 8 feet less than twice its width. The perimeter of the room will be 134 feet. What are the dimensions of the dinning hall? \n" ); document.write( "
Algebra.Com's Answer #744250 by MathLover1(20850)\"\" \"About 
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\n" ); document.write( "\n" ); document.write( "if the length of a rectangle dinning hall \"L\" is \"8ft\" less than \"twice\" its width \"W\", we have\r
\n" ); document.write( "\n" ); document.write( "\"L=2W-8ft\".......eq.1\r
\n" ); document.write( "\n" ); document.write( "if the perimeter of the room will be \"P=134ft\", then\r
\n" ); document.write( "\n" ); document.write( "\"134ft=2%28L%2BW%29\"\r
\n" ); document.write( "\n" ); document.write( "\"134ft%2F2=L%2BW\"\r
\n" ); document.write( "\n" ); document.write( "\"67ft=L%2BW\"..............substitute \"L\" from eq.1\r
\n" ); document.write( "\n" ); document.write( "\"67ft=2W-8ft%2BW\"....solve for \"W\"\r
\n" ); document.write( "\n" ); document.write( "\"67ft%2B8ft=3W\"\r
\n" ); document.write( "\n" ); document.write( "\"75ft=3W\"\r
\n" ); document.write( "\n" ); document.write( "\"W=75ft%2F3\"\r
\n" ); document.write( "\n" ); document.write( "\"W=25ft\"\r
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\n" ); document.write( "\n" ); document.write( "go to eq.1, substitute \"W\"\r
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\n" ); document.write( "\n" ); document.write( "\"L=2W-8ft\".......eq.1\r
\n" ); document.write( "\n" ); document.write( "\"L=2%2A25ft-8ft\"\r
\n" ); document.write( "\n" ); document.write( "\"L=50t-8ft\"\r
\n" ); document.write( "\n" ); document.write( "\"L=42ft\"\r
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\n" ); document.write( "\n" ); document.write( "the dimensions of the dinning hall are \"42ft\" by \"25ft\"\r
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