Help plz I need the right answer

Answer:
3 1/5 square units
Step-by-step explanation:
4 units * 4/5 shaded
4*4/5 = 16/5
Changing to a mixed number
5 goes into 16 3 times with 1 left over
3*5 = 15 16-15 = 1
3 1/5 square units