Answer:
32 yards, 128 square yards.
Step-by-step explanation:
Given:
Length of rectangular garden = 16 yards
Breadth of rectangular garden = 8 yards
One of the long sides runs along a wall.
Mary wishes to use fencing to finish enclosing the garden.
To find:
How much fencing does she need ?
How many square yards does she have for planting her garden means area of rectangular garden = ?
Solution:
To find that how much fencing she need we must know that we have three side to fence because at one side there is a wall so no need to fence and we have one length and two breadth.
She need for fencing = perimeter of rectangular garden - one side length
= 
= 
= 
=
yards
Thus, She need 32 yards for fencing the rectangular garden.
Now, we will find How many square yards she have for planting her garden.
Area of rectangular garden = 
= 
Thus, she have 128 square yards for planting her garden.