I'm pretty sure its B but I would double check before you put the answer in :)
The answer is A. Because greater than or equal to > with line under represents a filled in dot. And > by itself represents an empty dot
8.3*4 = 33.2 kg.
Hopefully that is correct
Since Yi Ting weighs 8.3 and her brother is 4 times heavier you would multiply those two numbers to get the answer.
Please put more details in the question