Posted by **Terence P.** on Monday, September 3, 2007 at 2:37pm.

The population increased 80 percent in 5 years. The current population is 18,000. find five years ago.

18,000 * 0.80 = 14,400

18,000 - 14,400 = 3,600

3,600 is the population five years ago?

to check:

3,600 * 5 = 18,000

Is 3,600 the correct answer. Was this problem done correctly?

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