Answer:
5 inches
Explanation:
Given
Length of a cube = 1 inch
Required
Determine the edge length of the cube
If the container can take 125 cubes, then that's the volume
So:

Volume of a cube is calculated as thus;

This gives;

Take cube root of both sides
![Length = \sqrt[3]{125}](https://img.qammunity.org/2021/formulas/mathematics/college/fbcmlfqghv39p4yxy56qw4yzznmequy685.png)

Hence, the length is 5 inches