Question

A store display rotates 40 times every half hour. how many times will the display rotate in 4 hours? 80 160 320 640

Answer 1

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.