Using the "Rule of 70",how Can We Find the Number

Multiple Choice

Using the "rule of 70",how can we find the number of years it will take for prices to double?

A) By dividing the annual rate of inflation by 70.
B) By dividing 70 by the annual rate of inflation.
C) By subtracting the annual change in nominal incomes from 70.
D) By multiplying the annual rate of inflation by 70.
E) By subtracting nominal income from real income and multiplying by 70.