A sum of money doubles itself in 8 years. What is the rate of interest.

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Short cut(double means)
100=nr
100=8*r
r= 100/8
r=12.5%

kamesh
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you helped me.... i did not get it before in any other websites or videos. you helped me sooo
much

aquaman
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there is friking simpler way guys just divide any number by hundred thats a lot of steps above \

nenlvst
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next time while teaching speak clearly not at all understanding u r English

maxrecords