SOLUTION: How long it takes to double birr 5000!at a compound interest rate of 8 PERCENT

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Question 1100747: How long it takes to double birr 5000!at a compound interest rate of 8 PERCENT

Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
How long does it take to make 5000 into 10000 at 8%? I think that's your question.
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10000=5000%281%2B8%2F100%29%5EN
%281.08%29%5EN=2
N=log%281.08%2C%282%29%29
N=log%28%282%29%29%2Flog%28%281.08%29%29