The time required to double the amount of an investment at an interest rate r co

Algebra
Tutor: None Selected Time limit: 1 Day

compounded continuously is given by

t = 

ln 2
r
.
Find the time required to double an investment at 3%4%, and 5%. (Round your answers to one decimal place.)
3% interest      yr
4% interest      yr
5% interest      yr

Apr 8th, 2015

ert =2

t = ln(2)/r

rate Years
0.03 23.10491
0.04 17.32868
0.05 13.86294
3% 23.1 years

4% 17.3 years

5% 13.9 years

Apr 8th, 2015

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Apr 8th, 2015
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