Hack:
x% of 100=x
88% of 100=88
times both sides by 6
88% of 600=6 times 88
88% of 600=528
answer is 528
A is the answer babygirl.

x=8
16-8=8

Use a calculator to find the square root of 8.
I believe the answer is 36= -10.4!
Sorry if I'm wrong though.