how to find time period in compound interest
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Amount = Principal ( 1+ r/100) power n
Amount /Principal =( 1+ r/100 ) power n
A/P = (100+r/100) power n
for eg if 441/400=(21/20) power n
then root of 441/400 is (21/20)^2 hence n is 2
Amount /Principal =( 1+ r/100 ) power n
A/P = (100+r/100) power n
for eg if 441/400=(21/20) power n
then root of 441/400 is (21/20)^2 hence n is 2
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