Question 1029625
What interest rate is required for an investment subject to continuous compounding to triple in 15 years? 
-------
A(t) = Ao*e^(kt)
------------------------------
3Ao = Ao*e^(15k)
-----
e^(15k) = 3
---
15k = ln(3)
k = 0.0732
====
Ans: A(t) = Ao*e(0.0732t)
------------------
Cheers,
Stan H.
--------------------