This is related to my other Kata about cats and dogs.

Kata Task

I have a cat and a dog which I got as kitten / puppy.

I forget when that was, but I do know their current ages as catYears and dogYears.

Find how long I have owned each of my pets and return as a list [ownedCat, ownedDog]

NOTES:

• Results are truncated whole numbers of "human" years

Cat Years

• 15 cat years for first year
• +9 cat years for second year
• +4 cat years for each year after that

Dog Years

• 15 dog years for first year
• +9 dog years for second year
• +5 dog years for each year after that

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References

• http://www.catster.com/cats-101/calculate-cat-age-in-cat-years
• http://www.slate.com/articles/news_and_politics/explainer/2009/05/a_dogs_life.html