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)\"\" \"About 
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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?
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\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
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\n" ); document.write( "m.ananth@hotmail.ca
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