Question

HELP PLZ! The price index for a certain item is at 4% inflation rate. How long will it take for the price to double?

Answer 1

Time taken to double the price is 17.5 years

Step-by-step explanation:

As per the rule of seventy,

Time taken for a CPI to get double is 70 divided by the rate of inflation

Substituting the given values, we get -

Time taken to double the price is 70/4 = 17.5 years