document.write( "Question 234411: The perimeter of a rectangular driveway is 168 feet. The length is 12 feet longer than three times the width. What are the dimensions of the driveway?
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document.write( "I do not even know which formula to use to solve this problem. If someone could tell me how to begin I could probably figure it out. \n" );
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Algebra.Com's Answer #172874 by scott8148(6628)![]() ![]() You can put this solution on YOUR website! \"The perimeter of a rectangular driveway is 168 feet\" ___ 2L + 2W = 168\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "\"The length is 12 feet longer than three times the width\" ___ L = 3W + 12\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "substitute for L to find W, then substitute back to find L \n" ); document.write( " |