The graph below shows the number of boys and girls in two diffrent classes. What is the greatest number of boys?
The first represents the number of boys in class 2A. The third bar represents the number of boys in class 2B. The other bars represent the number of girls in each class.
The first bar is taller than the third bar, so the greatest number of boys is in class 2A.
Therefore, the greatest number of boys in a class is 13.