document.write( "Question 221995: The perimeter of the driveway is 168 feet. The length is 12 feet longer than three times the width. What are the dimensions of the driveway? \n" ); document.write( "
Algebra.Com's Answer #166378 by rfer(16322)\"\" \"About 
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P=2w+2l
\n" ); document.write( "168=2x+2(3x+12)
\n" ); document.write( "168=2x+6x+24
\n" ); document.write( "144=8x
\n" ); document.write( "x=18 ft
\n" ); document.write( "3x+12=66 ft
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