Study the given figure carefully and answer the following questions.
(a) What fraction of the given figure is shaded?
(b) How many more squares must be unshaded to make the unshaded fraction 
?
| (a) | (b) | |
|---|---|---|
| A |  |
16 |
| B |  |
16 |
| C |  |
20 |
| D |  |
20 |
Study the given figure carefully and answer the following questions.
(a) What fraction of the given figure is shaded?
(b) How many more squares must be unshaded to make the unshaded fraction ?
| (a) | (b) | |
|---|---|---|
| A | |
16 |
| B | |
16 |
| C | |
20 |
| D | |
20 |