The world's population of approximately 7.2 billion people is growing at about 1.2% a year.Considering how many people are being added to the world each day,how long would it take to populate a city the size of Vancouver (604,000 people)?
A) 3 days
B) 1 week
C) 1 month
D) 6 weeks

Question

The world's population of approximately 7.2 billion people is growing at about 1.2% a year.Considering how many people are being added to the world each day,how long would it take to populate a city the size of Vancouver (604,000 people)? 
A) 3 days 
B) 1 week 
C) 1 month 
D) 6 weeks

Quizplus · Accepted Answer

At a growth rate of 1.2% per year on a base of 7.2 billion, the daily increase is approximately 237,600 people (7.2 billion * 0.012 / 365). To reach 604,000 people, it would take about 2.5 days, which rounds closest to option A, 3 days.

The World's Population of Approximately 7