I solve this question by hand and have attached images for you because it is very difficult or impossible to do it here . I do it as simple as I can and make it very comprehensive for you. Hopefully, you will understand.
Note: the order for images remain same as I have attached.
Answer:
The answer is 15 ft.
Step-by-step explanation:
I hope this helps
The shortest distance would be from both cause they are bath the same length
Carla is correct because they will not all be exactly the same unless they choose to make them all be the same. Hope I could help! :D