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Dominik [7]
2 years ago
9

How many years will it take an account to double in value, assuming a 5.2% interest rate compounded quarterly? Round your answer

to the nearest tenth.​
Mathematics
1 answer:
zhuklara [117]2 years ago
7 0

The <em>money</em> account is doubled at an<em> interest</em> rate of 5.2 % compunded quarterly, that is, under the model of <em>compound</em> interest in a time period of about 3.5 years.

<h3>How to determine the doubling time of money account</h3>

The <em>compound</em> interest takes into account the change of money deposited in time in contrast with the <em>simple</em> interest, which only takes the initial amount of money into account. Please notice that four quarters equals a year.

The <em>compound interest</em> formula is described below:

<em>C = C' · (1 + r/100)ⁿ</em>     (1)

Where:

  • r - Interest rate
  • n - Number of periods
  • C' - Initial money amount
  • C - Current money amount

If we know that C = 2 · C' and r = 5.2, then the doubling time is:

n = /㏒ C/C'/㏒ (1 + r/100)

n = ㏒ 2/㏒ 1.052

n ≈ 13.674

The <em>money</em> account is doubled at an<em> interest</em> rate of 5.2 % compunded quarterly, that is, under the model of <em>compound</em> interest in a time period of about 3.5 years. \blacksquare

To learn more on compound interests, we kindly invite to check this verified question: brainly.com/question/14295570

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Answer:  Arun is now 20, Shree is 10 years old

Step-by-step explanation:  

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\qquad \qquad\huge \underline{\boxed{\sf Answer}}

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