Pet's Riddles answers Increase cats by three

Let's help the cat solve the riddle and find the answers in level 28. Here is a detailed walkthrough for level 28 in Pet's Riddles with the challenge "Increase cats by three". You can view the hints in the image below, or read the detailed text walkthrough below.

Expand the number 6 on the locker door to make a 9.

If you have another level 28 puzzle in your game, go to the Pet's Riddles Answer List page for all puzzles and select it from the challenge text.