Answer:
Width of the sandbox, b = 4.72 feet
Explanation:
It is given that,
The area of the sandbox,

Length of the box,

We need to find the width of the sandbox. The area of the rectangle is given by :

b is the width of the sandbox
So,

b = 4.72 feet
So, the width of the sandbox is 4.72 feet. Hence, this is the required solution.