Posted by **Maggie** on Thursday, June 7, 2007 at 11:42am.

What was the percent increase in the population in South America from 1900 to

2000?

in 1900- 38,000,000

in 2000- 515,000,000

I was thinking that I need to divide 515,000,000 by 38,000,000 which is 13.55% but I am not sure.

subtract 38,000,000 from 515,000,000

To get

477,000,000 (See that's the increase)

Now divide 477,000,000 by 38,000,000

to get 12.55

Now move decimal to right 2 places to get 1255%

In other words the population rose by about 12 and one half times.

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