the perimeter of a rectangle is 80 m and tha length is one metre more than twice the breadth. what are its length and breadth
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2
2(l+b) = 80
l = 1+2b
2(1+2b+b) = 80
1+3b = 80
2
3b = 40-1
3b = 39
b = 39
3
b = 13
l= 1+2b
l = 1+2(13)
l = 1+26
l = 27
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