document.write( "Question 271146: the breadth of a rectangle is one third of its length if its perimeter is 80 metres. what is its length? \n" ); document.write( "
Algebra.Com's Answer #198544 by Greenfinch(383)\"\" \"About 
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If breadth is x, length is 3x, perimeter is 8x
\n" ); document.write( "So breadth is 80/8x = 10 metres, and length is 30 metres
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