Verified Answer :

So to see which expression is half as large we might as well simplify them
so 46+42 is 88
now to see which ones are half as large
A. 2/(46+42)
    2/ 88
    1/44
Definitely NOT of 88
B. 2 (46+42)
    2 88
   176
This one is two times bigger than 88
and 
C. (46+42)/2
          88 / 2
             44
This one is half of 88

Hope this helps :)

half of 46+42
= 
(46+42)
--------------
     2

answer is (46+42)/2 (last choice)

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