Question

Which of the sentences below uses the apostrophe correctly?
My three dog's hairbrush is getting really worn down.
My three dogs hairbrush is getting really worn down.
My three dogs' hairbrush is getting really worn down.

Answer 1

Answer:

the third one

Explanation:

the third one is the answer because it's plural and it's possessive

Answer 2

Answer:

My three dogs’ hairbrush is getting really worn down.

Explanation:

Hope this helped! Good luck!