SOLUTION: How long will it take P dollars to triple itself at 10% simple interest? i=prt ? how to I plug this in? thank you

Algebra ->  Customizable Word Problem Solvers  -> Finance -> SOLUTION: How long will it take P dollars to triple itself at 10% simple interest? i=prt ? how to I plug this in? thank you      Log On

Ad: Over 600 Algebra Word Problems at edhelper.com


   



Question 264418: How long will it take P dollars to triple itself at 10% simple interest?
i=prt ? how to I plug this in? thank you

Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
How long will it take P dollars to triple itself at 10% simple interest?
i=prt ?
----
A(t) = P + Prt
A(t) = P(1+rt)
3P = P(1+rt)
3 = 1+rt
rt = 2
0.10t = 2
t = 2/0.10
t = 20 years
-------------------
Cheers,
Stan H.