document.write( "Question 1101740: The perimeter of a rectangle is equal to twice the sum of its length and its width. one rectangle has a length of 13 1/8 inches and a perimeter of 42 1/2 inches. Write an equation that can be used to find the width, w, of the rectangle. \n" ); document.write( "
Algebra.Com's Answer #716338 by math_helper(2461)\"\" \"About 
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\n" ); document.write( "Since perimeter p = 2w + 2l,\r
\n" ); document.write( "\n" ); document.write( " w = (p - 2l) / 2 \r
\n" ); document.write( "\n" ); document.write( "Plugging in the given numbers:
\n" ); document.write( " w = (42.5 - 2*13.125) / 2 = 8.125 inches. \r
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