The pie chart below shows the percentages of the world population in each continent. The present world population is about 7 billion. a) How many people live in Africa? b) How many people do not live in Asia? c) How many more people live in North America than in South America?
Answers
a) 1.05 billion
b) 2.772 billion
c) 91 million
Step-by-step explanation:
a) Given that,
Total population = 7 billion
Percentage of population living in South Africa = 15%
So,
Number of people living in South Africa = 15% of 7 billion
= 15/100 * 7
= 1.05 billion
b) Given that,
Total population = 7 billion
Percentage of people living in Asia = 60.4 %
so,
No. of people living in Asia = 60.4% of 7 billion
= 60.4/100 * 7
= 4.228 billion
∵ Number of people not living in Asia = Total population - People of Asia
= 7 billion - 4.228 billion
= 2.772 billion
c) Given that,
Total population = 7 billion
Percentage of people living in North America = 7.3 %
Percentage of people living in South America = 6%
∵ Number of people living in North America than in South America = difference in percentages of their population * 7 billion
= (7.3% - 6%) × 7
= 91 million
Learn more: Pie-chart
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