What part of the grid?
This task is about percentages and decimal fractions.
a)

What percentage of the large square above is shaded like this ?

(A) 1%
(B) 5% (C) 10% (D) 15% (E) None of these. The answer is __________. 

b)

What percentage of the large square is not shaded in any way?

(A) 70%
(B) 74% (C) 79% (D) 83% (E) None of these. The answer is __________. 

c)

What decimal fraction of the large square above is shaded like this ?

(A) 0.7
(B) 0.07 (C) 0.007 (D) 7 (E) None of these. The answer is __________. 