Answer:
eighteen years
Step-by-step explanation:
Given that
Inflation rate = 4%
For computing the how much time is required for prices to double we apply the rule for 72 that means the 72 is divided by the inflation rate so that the time period could come
In mathematically
Number of years is
= 72 รท 4%
= 18 years
Hence, in the eighteen years, the price is double