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)![]() ![]() You can put this solution on YOUR website! 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( ". \n" ); document.write( "Let w = width \n" ); document.write( "then \n" ); document.write( "3w+12 = length \n" ); document.write( ". \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) \n" ); document.write( ". \n" ); document.write( "Length: \n" ); document.write( "3w+12 = 3(13)+12 = 39+12 = 51 feet\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |