document.write( "Question 404555: Dave and Jane Wells have a new rectangle driveway. The perimeter of the driveway is 168 feet. The length is 12 feet longer then three times the width. What are the dimensions of the driveway? \n" ); document.write( "
Algebra.Com's Answer #285901 by nerdybill(7384)\"\" \"About 
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Dave and Jane Wells have a new rectangle driveway. The perimeter of the driveway is 168 feet. The length is 12 feet longer then three times the width. What are the dimensions of the driveway?
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\n" ); document.write( "Let w = width
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\n" ); document.write( "3w+12 = length
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\n" ); document.write( "2(w + 3w+12) = 168
\n" ); document.write( "2(4w+12) = 168
\n" ); document.write( "(4w+12) = 84
\n" ); document.write( "4w = 72
\n" ); document.write( "w = 13 feet (width)
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\n" ); document.write( "Length:
\n" ); document.write( "3w+12 = 3(13)+12 = 39+12 = 51 feet\r
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