Answer: The string of lights will have to be 144 inches long
Step-by-step explanation:
Answer:
123456789101112131415161718192021222324252627282930
Step-by-step explanation:
hahaha
Answer:
If you are trying to simplify this, the answer would be: 
Hope this helps! If not, feel free to comment below and I'll see what else I can do to help. Thanks and good luck!