Question

The breadth of a rectangle is 2 by 3 of its length and its perimeter is 40 cm find the length of the rectangle

Answer 1

Length of rectangle is 12cm

Answer 2

let the length be x
so breadth =2/3x
now perimeter of rectangle = 2 ( l+b)
so 2 ( x+2/3x)=40 and by solving x = 12 cm