19 - You own a pet store and have canaries to organize in cages. If you put 1 canary per cage, there will be one canary left outside, meaning there aren’t enough cages. If you put 2 canaries per cage, there will be one empty cage left. How many canaries and how many cages do you have? Separate the answers with a comma. Example: 'X, Y' (X canaries, Y cages)
Answer
4, 3