Answer:
Step-by-step explanation:
There are 80 black squares in A. The % is 80/100 or 80%
There are 12 1/2 black squares in B. The % is 12 1/2 % black
There are 10 black squares in C The % is 10% black
This is a really bad question. We are not told which to represent, white or black.
A: 20% white
B: 87 1/2% white
C: 90% white
I'm going to leave the second part because I don't know which way is wanted.