SOLUTION: The number of Yangtze finless porpoises dropped from 2000 in the year 2000 to 1000 in the year 2011. Find the percent decrease in the number of porpoises.

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Question 1050623: The number of Yangtze finless porpoises dropped from 2000 in the year 2000 to 1000 in the year 2011. Find the percent decrease in the number of porpoises.
Answer by ewatrrr(24785) About Me  (Show Source):