6
QuizMultiple Choice

Density and Design Problems — Quiz

Question 6 • Mathematics III

The population density of Peru one year was approximately 23 people per square kilometer. Brazil has a land area of approximately 8 point 5 million square kilometers. If Brazil had the same population density as Peru that year, approximately how many people were living in Brazil?

Answer
A
2 comma 700 comma 000 people
B
195 comma 500 comma 000 people
C
31 comma 500 comma 000 people
D
370 comma 000 people

Explanation

Multiply the population density by Brazil’s land area: 23 people per square kilometer × 8,500,000 square kilometers = 195,500,000 people. So the estimate is 195,500,000 people, which is choice B.

AI-written and checked against the verified answer.

Previous
Next