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02-10-2017
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A nation has a GDP of 685m. It has a growth rate of 4%. How long will it take the nations GDP to double?

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13-10-2017

The Rule of 70 can be used to determine the length of time it would take for a variable to double. In this case, using a growth rate of 4%, we can divide 70/4 to find that it would take 17.5 years for the GDP of this nation to approximately double.

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