Question

Amelia has her money in a CD earning 2 percent interest. How long will it take for her money to double?

seventy-two years
thirty-six years
twenty-four years
eighteen years

Answer 1

in order to double up your money you need to have a 100% interest and since Amelia only have 2% interest, she needs 50 months to get the an interests that will double up her money.

Answer 2

Use 72 rule
72/2=36 years