Homework Help: math

Posted by Terrance on 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

math - Ms. Sue, Monday, September 3, 2007 at 6:49pm
Let x = the original population of the town.

1.8x = 18,000
- confused - Nik, Tuesday, September 4, 2007 at 12:30pm
  Where does the 1.8x come from? Can you break that down?
math - Shawn, Tuesday, September 4, 2007 at 11:10am
Let X be the population 5 years ago.
X*(1.8) = 18,000
X = 10,000

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