The formula used to calculate the time it takes a population to double is 70 divided by:
A) crude birth rate.
B) current rate of growth.
C) fertility rate.
D) crude death rate.

Question

Quizplus · Accepted Answer

The formula for calculating the time it takes a population to double is 70 divided by the current rate of growth. This is because the rate of growth is a measure of how much the population is increasing, and dividing 70 by the rate of growth gives an estimate of how many years it will take for the population to double.

The Formula Used to Calculate the Time It Takes a Population