Answer:
Monday
Step-by-step explanation:
4 days back from Sunday will be
1. sat
2. fri
3. thurs
4. wed
so today is Wednesday. Now day before yesterday would be Monday because yesterday would've been Tuesday and the day before tuesday is monday
Monday.
In 4 days it would be sunday. If you go back 4 days it would be wednesday. Yesterday was tuesday and the day before yesterday would be Monday.