elijahervin123 elijahervin123
  • 16-05-2017
  • Mathematics
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A sum of money is invested at 21% compounded quarterly. About how long will it take for the amount to double

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Aliwohaish12
Aliwohaish12 Aliwohaish12
  • 16-05-2017
Use 72 rule
72/rate=Time
72÷21=3.4 years
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