a population of stray cats increases by 4% every month . The initail population was caculated at approximatly 72 stray cats.How many years would it take for the cat population to be around 473 cats

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Just trial and error it:

72 x 1.04^5 = 87

(it needs to be much higher than this)

72 x 1.04^40 = 345

(again, it needs to be higher)

72 x 1.04^48 = 473

As you can see, it would take 48 months.

There are 12 months in a year

48/12 = 4

It would take 4 years.

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