Answer:
Explanation:
We know that:
- Some squares are 100% shaded, and some are half shaded. 
 - Half shaded squares: 10 squares
 - 100% shaded: 20 squares
 - Area of figure = Area of half shaded + Area of 100% shaded
 
Solution:
- Area of figure = Area of half shaded + Area of 100% shaded
 - => Area of figure = (10 x 1/2) + 20
 - => Area of figure = 5 + 20
 - => Area of figure = 25 units²
 
Hence, the area of the figure is 25 units².