# Question on Future value

**Question description**

A mathematical model for the Future Value of a savings account earning interest that is
compounded continuously is given by the equation FV = Pert, where FV is the amount after t years,
P is the principal amount invested at t = 0, and the principal is assumed to grow continuously at a
rate, r. How many years will it take the principal to triple if the annual rate is 12%?

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