Posted by **Susan** on Thursday, September 2, 2010 at 10:31am.

Sorry i could not understand log. Could you explain it in simpler terms? I am in class 7.

The question was

if a sum of money doubles in 8 yrs, in how many years will it triple itself?Is the answer 16? If it is please tell me how to show the workings. I understood the concept but cannot express it.This is a simple interest sum.

- math -
**Lynn**, Thursday, September 2, 2010 at 10:45am
If the money doubles in 8 years than in 16 years it would quadruple itself. So try between 8 and 16 years.

- math -
**Susan**, Thursday, September 2, 2010 at 10:51am
is it 12?

- math -
**Dr Russ**, Friday, September 3, 2010 at 4:07am
No, it is slightly less than 12.

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