The answer is C. (2jk)^-2
3 giant Sandwiches,
8 friends,
Have to be shared equally,
Each friend gets =

If we solve, we'll end with 0.375 Which is between 0 and 1.
So,
It will lie in between 0 and 1.
!! Hope It Helps !!
85% liked => 15% didn't like
30 = 15% of x
30 = 0.15 x => x = 30 / 0.15 = 200. This is the total number of students at the library.
Then 200 - 30 = 170 is the number of students whom did like reading mistery stories.
Answer: 170.