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miskamm [114]
3 years ago
9

After five years of earning interest at an annual rate of 4%, an investment has earned $1,200 in interest. Determine the amount

of the initial investment. Show all work for full credit.
Mathematics
2 answers:
Andru [333]3 years ago
6 0
P=I÷rt
P initial investment ?
I interest earned 1200
R interest rate 0.04
T time 5 years

P=1,200÷(0.04×5)
P=6,000

Hope it helps
Evgen [1.6K]3 years ago
5 0

Answer:

The amount of the initial investment is $ 6000.

Step-by-step explanation:

Given: After five years of earning interest at an annual rate of 4%, an investment has earned $1,200 in interest.

We have to find the amount of the initial investment.

We know,

\text{Simple interest}=p\times r\times t

Where P is initial investment

r is rate of interest

t is time period.

Given : Simple interest = $ 1200

Rate = 4 % =0.04

Time = 5 years

Substitute, we get,

1200=P\times 0.04\times 5

Solve for P, we have,

Divide both side by 0.04 × 5  , we have,

\frac{1200}{0.04\times 5}=P

Simplify, we get ,

P = $ 6000

Thus, The amount of the initial investment is $ 6000.

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