Math help: calculating interest on an investment
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Math help: calculating interest on an investment

[From: ] [author: ] [Date: 11-11-07] [Hit: ]
how would i go about doing this?-2 = 1.ln(2) = x * ln(1.x = ln(2) / ln(1.x = 7.10 years.......
if your investment appreciates in value by 10% each year, how long will it take for a 100% increase?
(give your answer in years and months to nearest month)
how would i go about doing this?

-
2 = 1.1^x
ln(2) = x * ln(1.1)
x = ln(2) / ln(1.1)
x = 7.27254089734171908331990367496

-
100/10
10 years.
1
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