Sorry can some one help me on this I have been trying

Question

asked May 6, 2018 48.5k views

1 Answer

Manisha Srivastava · Answer 1 · 2018-05-13T01:21:40+0000

the answer is 192 because the middle part is equal to 168 then you add 12 two time for the two side in the right and left so it equals to 192