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At what simple interest rate percent per annum will a sum of money double in 14 years?

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At what simple interest rate percent per annum will a sum of money double in 14 years?
posted Aug 27, 2018 by Ankur Athari

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1 Answer

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~7.14%


If at x % the sum doubles in 14 years than we have 14x=100% --> x=100/14=7 1/7 %~7.14% per annum

answer Aug 27, 2018 by Hanifa Mammadov
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