Answer:
D.
Explanation:
The difference in pizza delivered between driver A and driver B is 10 pizzas.
We can find this by doing 20-10 which is 10.
The MAD is 2.
D says that Driver A has less pizzas delivered than Driver B by 5 MADs. Since 1 MAD is 2, 5 MADs is 10.
Meaning D says that driver A delivered 10 less pizzas than Driver B, which is correct.
Hope this answer helped! :)