Based on the current rates of increase of 1.5% per year, the world population is projected to double from 7 billion ina.46 yearsb.10 yearsc.15 yearsd.100 years
Question
Based on the current rates of increase of 1.5% per year, the world population is projected to double from 7 billion ina.46 yearsb.10 yearsc.15 yearsd.100 years
Solution
To answer this question, we need to use the rule of 70, which is a way to estimate the number of years it takes for a certain variable to double. The rule number (70) is divided by the growth rate (1.5).
So, 70 / 1.5 = approximately 46.67 years.
Therefore, the answer is a. 46 years.
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