SOLUTION: if your money is invested at 10%, about how many years will it take to double?

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Question 483483: if your money is invested at 10%, about how many years will it take to double?
Answer by jorel1380(3719) About Me  (Show Source):
You can put this solution on YOUR website!
1p+.10p=1.10p
1.10^n=2
1.10^7=1.9487171
Doubling your money at 10% takes a little longer than 7 years..