Posted by kate on Saturday, October 15, 2011 at 10:10pm.
assuming 52 weeks per year
i = .078/52 = .0015
5000(1.0015)^n= 8000
1.0015^n = 1.6
log (1.0015^n) = log 1.6
nlog1.0015 = log 1.6
n = log1.6/log1.0015 = 316.57 monts
= 6.03 years
it would take 6 years
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