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diylover020253
11.01.2020 •
Mathematics
The world the world population is estimated to be nearly nine billion by the year 2050 what is the estimated population of africa in the year 2050 if it is 20%
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Ответ:
The estimated population of Africa in 2050 is 1 billion 8 hundred million .
Step-by-step explanation:
Given as :
The estimated population of world in 2050 = 9,000,000,000
The population of Africa is 20% of world population
Let The estimated population of Africa in 2050 = x
So, According to question
The estimated population of Africa in 2050 = 20 % of estimated population of world in 2050
Or, x = 20 % × 9,000,000,000
Or, x =
× 9,000,000,000
Or, x =![\dfrac{20\times 9,000,000,000}{100}](/tpl/images/0450/5978/4d0a8.png)
∴ x = 1,800,000,000
The estimated population of Africa in 2050 = x = 1,800,000,000
Hence, The estimated population of Africa in 2050 is 1 billion 8 hundred million . Answer
Ответ: