At a growth (interest) rate of 10 percent annually, how long will it take for a sum to double? To triple? Select the year that is closest to the correct answer

Short Answer

Expert verified

It will take 7 years and 12 years approximately to make a sum double and triple, respectively.

Step by step solution

01

Identification of the required information

Present value (PV) = $1

Future value (FV) = 2

Interest Rate (i) = 10%

02

 Number of periods (n) to double a sum

FV=PV×1+in$2=$1×1+10%nn=7

03

Number of periods (n) to triple a sum by taking FV at $3

FV=PV×1+in$3=$1×1+10%nn=12

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