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math

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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 - ,

    If the money doubles in 8 years than in 16 years it would quadruple itself. So try between 8 and 16 years.

  • math - ,

    is it 12?

  • math - ,

    No, it is slightly less than 12.

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