<PRE><B>Question 498735</B>

Perimeter of a Rectangle =P=?
Length  = l=50 yards 
Width  = w = 20 yards
Perimeter of a Rectangle = length + length + width + width
Perimeter of a Rectangle = 2l + 2w
P=(2*50)+(2*20)
P=100+40
P=140 yards

If a pole is placed every 5 yards around the perimeter means we have to divide 140 yards by 5 

Total poles required around the rectangle at a distance of 5 yards = 140/5 = 28</PRE>