Question

length of a rectangle is 8 metre less than twice its breadth if the perimeter of the rectangle is 56 metres find its length and breadth the sum solved please

Answer 1

length=(2b-8)m
perimeter=56m
2 (l+b)=56
l+b=28
2b-8+b=28
3b=36
b=12m
l=2×12-8
l=16m

Answer 2

yes there is a mistake I have written 20 instead of 28 I hope it may help you