Who is taller? David or William?
The blue line shows us how tall David is. The second blue arrow shows us how tall William is. The pink line shows us where David measures to on the ruler. We can follow this line across until we reach William. The second pink line shows us William’s height on the ruler. If we follow the line across to David, it helps us to compare their heights. Now, we can clearly see that David is taller than William. So, the answer to the question who is taller is David. David is taller than William.