Question

The perimeter of a rectangle is 13 and its width is 4cm.find its breadth

Answer 1

P=2(l+b)
13=2(4+b)
6.5=4+b
b=2.5

Answer 2

Perimeter of rectangle = 2(l+b)
ATQ)
2(l+4)=13
2l+8=13
2l=5
l=5/2 or 2.5