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dem82 [27]
3 years ago
8

Alicia invested $32000 into an account earning 3% annual interest compounded quarterly. She makes no other deposits and does not

withdraw any money. What is the balance of Alicia's account in 7 years?
Mathematics
2 answers:
Assoli18 [71]3 years ago
6 0
A = P(1+r/n)^<span>(nt)
A = 32,000(1+0.03/4)^28
A = 39,446.78 ...........this is your answer</span>
balu736 [363]3 years ago
5 0

The formula for compound growth is:

P=P_{0}(1+\frac{r}{n})^{nt}

Where,

  • P is the future value
  • P_{0} is the initial deposit
  • r is the annual rate of interest (in decimal)
  • n is the number of times compounding happens in a year <u><em>(annual means n=1, compounding semi-annually means n=2, compounding quarterly means n=4 etc.)</em></u>
  • t is time in years

We need to solve for P. From the given information, we can write:

P_{0}=32,000

r=\frac{3}{100}=0.03

n=4 (since compounded quarterly)

t=7


Plugging in all the information in the equation, we get:

P=32,000(1+\frac{0.03}{4})^{(4)(7)} \\P=32,000(1.0075)^{28}\\P=32,000(1.2327)\\P=39,446.4

Alicia's account balance at end of 7 years is $39,446.4.


ANSWER: $39,446 (rounded to the nearest dollar)

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