Answer:
Explanation:
For any cube the total edge length is equal to 12n, with n being the length of an edge side. Knowing this:
Cube A - Total edge length = 12(3) or 36
Cube B - 12(5) or 60
Cube C - 12(9.5) or 114
If any cube has edge length s, the total edge length is 12s
Hope this helps!