A red blood cell has a diameter of approximately 0.00075 centimeter. Suppose one of the arteries in your body has a diameter of 0.0456 centimeter. How many red blood cells could fit across the artery?
The small measurements in this question are what make it seem confusing at first. The word 'approximately' means it is not an accurate measurement.
Think about a similar question with easier values.
A tin has a diameter of
How many candles with a diameter of
This is clearly a division
In the question given, it is also a division.
"How many times will