document.write( "Question 1178111: The length of a rectangle is three times the width what is the width of the area is 147 square feet \n" ); document.write( "
Algebra.Com's Answer #807276 by MathLover1(20850)\"\" \"About 
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\n" ); document.write( "\n" ); document.write( "The length of a rectangle is three times the width:\r
\n" ); document.write( "\n" ); document.write( "\"L=3W\"\r
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\n" ); document.write( "\n" ); document.write( "if the area is \"147\" square feet:\r
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\n" ); document.write( "\n" ); document.write( "\"L%2AW=147\".........substitute \"L\"\r
\n" ); document.write( "\n" ); document.write( "\"3W%2AW=147\"\r
\n" ); document.write( "\n" ); document.write( "\"W%5E2=147%2F3\"\r
\n" ); document.write( "\n" ); document.write( "\"W%5E2=49\"\r
\n" ); document.write( "\n" ); document.write( "\"highlight%28W=7%29\"->the width of a rectangle\r
\n" ); document.write( "\n" ); document.write( "then \"L=3%2A7=21\"
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