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lesya [120]
3 years ago
11

Using the chart "Amount of $1 at Compound Interest" from previous reading section "More Compound Interest", find the total amoun

t and amount of interest paid in the following compound interest problems. $900 at 6%, for 10 years

Mathematics
2 answers:
tatyana61 [14]3 years ago
7 0

Annually:    Total Amount= $1,611.76   Interest Amount= $711.76

Semiannually: Total Amount= $1,625.50  Interest Amount= $725.50

Quarterly:  Total Amount= $1,632.62   Interest Amount= $732.62

NNADVOKAT [17]3 years ago
4 0

Step-by-step explanation:

We will use the formula,

A= P(1+r/n)^{nt}

where A= accrued interest

r= rate of interest (0.06)

t = time (10)

n = no. of times amount paid in a year

P = principle (900)

1) When calculated annually, we have n = 1 ,

A= 900(1+0.06)^{10}

 = $1611.76

Since A= Principle amount + interest

    Interest = 1611.76-900 = $711.76

2) When calculated semi annually, n = 2

A= 900(1+0.06/2)^{20}

  = 1625.5

Interest = $725.5

3) When calculated quarterly, n= 3

A= 900(1+0.06/3)^(30}

 = 1630.22

Interest = $730.22    

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