document.write( "Question 343743: the formula for the perimeter of a rectangle is P=2L +2w where L is length and w is width. A rectangle has a perimeter of 24 inches. find its dimensions if its length is 3 inches greater than its width \n" ); document.write( "
Algebra.Com's Answer #245972 by Fombitz(32388)\"\" \"About 
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\"2L%2B2W=24\"
\n" ); document.write( "\"L%2BW=12\"
\n" ); document.write( ".
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\n" ); document.write( ".
\n" ); document.write( "\"L=W%2B3\"
\n" ); document.write( "Substituting,
\n" ); document.write( "\"W%2B3%2BW=12\"
\n" ); document.write( "\"2W%2B3=12\"
\n" ); document.write( "\"2W=9\"
\n" ); document.write( "\"highlight%28W=9%2F2%29\"inches
\n" ); document.write( "Then
\n" ); document.write( "\"L=9%2F2%2B6%2F2\"
\n" ); document.write( "\"highlight%28L=15%2F2%29\"inches
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