Answer:
9 acres remain
Explanation:
First day:
3 acres
Second day:
5 acres were planted. 5 + 3 = 8
Third day:
4 acres were planted. 4 + 8 = 12
If 3 acres were destroyed, we just subtract!
12 - 3 = 9.
9 acres of seedlings remain.
I hope this helped! :)