document.write( "Question 909751: the length of a rectangle is 12 ft longer than twice the width. If the perimeter is 102 ft. find the length and width of the rectangle\r
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Algebra.Com's Answer #552025 by JulietG(1812)\"\" \"About 
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P = 2L + 2W
\n" ); document.write( "P = 102
\n" ); document.write( "L = 2W+12
\n" ); document.write( "102 = 2(2W+12) + 2W
\n" ); document.write( "102 = 4W + 24 + 2W
\n" ); document.write( "102 = 6W + 24
\n" ); document.write( "78 = 6W
\n" ); document.write( "13 = W
\n" ); document.write( "If the width is 13, then the length is twice that plus 12, or 38
\n" ); document.write( "38 + 38 + 13 + 13 = 102
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