Geometry

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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

  • Geometry -

    515,000,000 - 38,000,000 = 477,000,000

    38,000,000 / 477,000,000 = .08 = 800%

  • Geometry -

    (515-38)
    --------- * 100
    38

    = 1255

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