document.write( "Question 358353: Dave and jane wells have a new rectangular driveway. 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 #255795 by mananth(16946)![]() ![]() You can put this solution on YOUR website! Dave and jane wells have a new rectangular driveway. 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( "... \n" ); document.write( "let width be x \n" ); document.write( "length = 3x+12 \n" ); document.write( "... \n" ); document.write( "perimeter = 2(L+W) \n" ); document.write( "2(x+3x+12)=168 \n" ); document.write( "2(4x+12)=168 \n" ); document.write( "8x+24=168 \n" ); document.write( "8x=168-24 \n" ); document.write( "8x=144 \n" ); document.write( "/8 \n" ); document.write( "x=18 m the width \n" ); document.write( "length = 3x+12= 3*18+12 \n" ); document.write( "=54+12 \n" ); document.write( "=66 m \n" ); document.write( "66m by 18 m \n" ); document.write( "... \n" ); document.write( "m.ananth@hotmail.ca \n" ); document.write( " \n" ); document.write( " |