515,000,000 - 38,000,000 = 477,000,000
38,000,000 / 477,000,000 = .08 = 800%
What was the percent increase in the population in South America from 1900 to 2000?
1900 - 38,000,000
1950 - 111,000,000
2000 - 515,000,000
2 answers
(515-38)
--------- * 100
38
= 1255
--------- * 100
38
= 1255