Answer:
.2%
.6%
40.25%
Step-by-step explanation:
There are 100 blocks in a grid so a complete grid is 100 %
a 2/10 out of 1 block is shaded
2/10 out of 100
.2 out of 100
out of 100 means percent
.2 %
b 3/5 out of 1 block is shaded
6/10 out of 100
.6 out of 100
out of 100 means percent
.6%
c 40 /100 + 1/4 out of 1 block
40% + .25 %
40.25%