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anonymous
 5 years ago
How long will it take for a quantity of money (A) to triple in value if it is invested at an annual interest rate (r) compounded continuously?
anonymous
 5 years ago
How long will it take for a quantity of money (A) to triple in value if it is invested at an annual interest rate (r) compounded continuously?

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anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0A= P(1+r)^n we want A =3P

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0so 3P = P (1+r)^n (1+r)^n = 3 n ln ( 1+r) = ln(3) n = ln(3) / [ ln(1+r) ] where r is the rate as a decimal

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0So what would be the formula for tripling time?

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0yes, e^ you can use decimal

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0example 300=100e^(r*t)

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0p=principal R=percent t+ time

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0I'm confused with what to answer the question I was given with, because my instructor is asking for just a formula, not to evaluate.

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0n = ln(3) / [ ln(1+r) ] thats the answer, it is time as a function of rate "Nancy Lam" doesnt know pellet

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0depent on you use I use r for interest percent, you can use n

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0n is not percent, its a time , geez..you know less than the actual answerer lolz, I get 90+ for engineering maths subjects at uni , who are you going to believe :P

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0Thank you, I understand it now!

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0you can use any leter

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0And thank you Nancy, I appreciate your help!
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