Answer:
breadth= 18.75 inches
length= 56.25 inches
Explanation:
if the breadth = x inches
length = 3x inches
perimeter of rectangle= 2(l+b)= 2(3x+x)= 2(4x)= 8x
we know that perimeter = 150inches
so x= 150/8= 18.75
breadth= 18.75 inches
length= 518.75x3 =6.25 inches