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

My three dogs’ hairbrush is getting really worn down.

Step-by-step explanation:

Hope this helped! Good luck!

Answer 2

the third one

Step-by-step explanation:

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