The store display rotates 40 times every half hour meaning that it will rotate 80 times every hour. To find how many times it will rotate in 4 hours, you can do 80 times 4. This is 320 rotations.
Also, please try and correctly list your question as this does not pertain to this subject.
You forgot to include the pictures but ok
Answer:
Your story must begin with this sentence. I had never felt so nervous before in my life. Your story must include: a celebrity a mistake .
Explanation:
