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.
How can it be “I love you” when love doesn’t exist-
Answer:
Hey! A good way of ranking up is by answering as many questions as you can. The more questions you answer, the more points and medals you get.
Another way is by completing challenges! Brainly makes challenges like "if you answer X amount of questions in X amount of time, you will get X reward!"
Hope this gave you a good idea on how you can rank up :)