Answer:
D. More kids will order burger and fries than mac and cheese
Explanation:
A is wrong because 28 divided by 2 is not 12 its 14.
B is wrong because 12 plus 9 is not 40 its 21.
C is wrong because 9 plus 11 is not 40 its 20.
D is right because 11 is bigger than 9.