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posted by Terrance Monday, September 3, 2007 at 6:22pm.

The Population of a town increased by 80% in 5 years. If the population is currently 18,000, find the population of this town 5 years agao. (Round to the nearest whole, if necessary). please send formula of this equation

Let x = the original population of the town. 1.8x = 18,000

Where does the 1.8x come from? Can you break that down?

Let X be the population 5 years ago. X*(1.8) = 18,000 X = 10,000

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