Posted by A.W. on Friday, December 19, 2008 at 8:19pm.
What was the percent increase in the population in South America from 1900 to 2000?
190038,000,000, 1950111,000,000,
2000515,000,000

Basic Math  drwls, Friday, December 19, 2008 at 8:22pm
(515,000,000  38,000,000)/38,000,000, converted to %
You do not need the 1950 population to compute it.

Basic Math  Ms. Sue, Friday, December 19, 2008 at 8:30pm
515,000,000  38,000,000 = 477,000,000
477,000,000 / 38,000,000 = 12.5526 = 1255.26%
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