The rule of 70 can be stated as follows: A variable with a growth rate of X percent per year A)doubles every 70/X years. B)doubles every 70(1 - 1/X)years. C)doubles every 70/X² years. D)doubles every 70/(1 - X)years.

Question

Quizplus · Accepted Answer

The rule of 70 states that to find the number of years it takes for a variable to double, one can divide the number 70 by the variable's annual growth rate. Therefore, the correct choice is A, which states that the variable doubles every 70/X years.

The Rule of 70 Can Be Stated as Follows: a Variable