SOLUTION: The population of a town decreased by two thirds each year for 3 years. If it started with a population of 540,000, what is the population after 3 years?

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Question 552856: The population of a town decreased by two thirds each year for 3 years. If it started with a population of 540,000, what is the population after 3 years?
Answer by josmiceli(19441) About Me  (Show Source):
You can put this solution on YOUR website!
540,000 at start of 1st year
After 1st year:
+540000+-+%282%2F3%29%2A540000+=+180000+
After 2nd year:
+180000+-+%282%2F3%29%2A180000+=+60000+
After 3rd year:
+60000+-+%282%2F3%29%2A60000+=+20000+
The population is 20,000 after 3 years