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Anon25 [30]
3 years ago
6

A certificate of deposit earns 0.75% interest every three months. The interest is compounded. What is the value of a $32,000 inv

estment after 5 years?
$32,426.67

$37,157.89

$43,099.36

$57,795.56
Mathematics
2 answers:
Helen [10]3 years ago
7 0
\bf \qquad \textit{Compound Interest Earned Amount}
\\\\
A=P\left(1+\frac{r}{n}\right)^{nt}
\quad 
\begin{cases}
A=\textit{accumulated amount}\\
P=\textit{original amount deposited}\to &\$32000\\
r=rate\to 0.75\%\to \frac{0.75}{100}\to &0.0075\\
n=
\begin{array}{llll}
\textit{times it compounds per year}\\
\textit{every 3months, or quarter}
\end{array}\to &4\\

t=years\to &5
\end{cases}
\\\\\\
A=32000\left(1+\frac{0.0075}{4}\right)^{4\cdot 5}
Taya2010 [7]3 years ago
3 0

Answer:

$ 37,157.89

Step-by-step explanation:

Given,

The initial deposit, P = $ 32,000,

Which earns 0.75% compound interest every three months.

Thus, the rate per three months, r = 0.75 % = 0.0075.

Time = 5 years,

So, the number of periods ( of three months ) in 5 years, n = 20

( 1 year = 12 months ⇒ The number of three month period in 1 year = 4 )

Thus, the amount after 5 years,

A=P(1+r)^n

=32000(1+0.0075)^{20}

=\$ 37157.8925537

\approx \$ 37157.89

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