Answer:
Length of shed is 7 yards
Step-by-step explanation:
Mathematically the volume of the shed is the area of the base * height
Area of the base = length * width
let the length be x
Thus, the area of the base = x * 7 = 7x
Now, 7x * 3 = 147
21x = 147
x = 147/21
x = 7 yards
