Using the law of 69.3 calculate to the nearest 0.1 yr the time it will take your original investment to quadruple (4x) if the compound interest rate is 8%. [Hint: calculate the doubling time first, then the quadrupling time.]

College Algebra
1st Edition
ISBN:9781938168383
Author:Jay Abramson
Publisher:Jay Abramson
Chapter6: Exponential And Logarithmic Functions
Section: Chapter Questions
Problem 4PT: An investment account was opened with aninitial deposit of 9,600 and earns 7.4 interest,compounded...
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Using the law of 69.3 calculate to the nearest 0.1 yr the
time it will take your original investment to quadruple (4x)
if the compound interest rate is 8%. [Hint: calculate the
doubling time first, then the quadrupling time.]
26.0 yr
69.3 yr
17.3 yr
8.7 yr
Transcribed Image Text:Using the law of 69.3 calculate to the nearest 0.1 yr the time it will take your original investment to quadruple (4x) if the compound interest rate is 8%. [Hint: calculate the doubling time first, then the quadrupling time.] 26.0 yr 69.3 yr 17.3 yr 8.7 yr
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