From the bar statistics, who has less reflection time, and what percentage? How much time does A spend on reflection than B? A-B
Solution: B has less time to reflect.
Minus: (3-2)÷3≈0.333=33.3%
A spends more time on reflection than B: (3-2)÷2=0.5=50%.
A takes less time to do the problem than B: (5-4)÷5=0.2=20%.