What roi will you need to double your money in 12 years

The rule of 72 says  that to find the number of years required to double your money at a given interest rate, you just divide the interest rate into 72.

so in this equation we would use: 72/x=12 then you solve for X

X = 6%

So it would take approximately 6% ROI

explanation: doctrine of respondeat superior is a legal doctrine that is commonly used in tort. this principle makes an employer or principal legally responsible for the wrongful acts done by an employee or agent, if such acts occur within the scope of the employment or agency.