Answer:
There are 26 plants left
Explanation:
His dog dug up four rose
15 - 4 = 11
- and half the daisies
6 / 2 = 3
11 + 12 + 3 = 26 plants left
Have a nice day!
I hope this is what you are looking for, but if not - comment! I will edit and update my answer accordingly.
- Heather