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Orlov [11]
3 years ago
11

Find the compound interest and the total amount after 4 years and 6 months if the interest is compounded annually

Mathematics
1 answer:
miv72 [106K]3 years ago
3 0

Answer:

Compound Interest,I- I=P[(1+I)^{4.5}-1]

Total Amount, A- A=P(1+i)^{4.5}

Step-by-step explanation:

Compound interest is the difference between the initial amount invested at time t=0and the final amount of the investment at time t.

-Let the initial amount invested be P, the annual rate be i and A be the final amount of the investment.

-Let I be the compound interest earned.

-Given that the investment term n=4yrs 6 months, the compound interest is calculated as;

A=P(1+i)^n\\\\I=A-P\\\\\# n=4.5,P=P, i=i\\\\\therefore I=P(1+i)^{4.5}-P\\\\=P[(1+I)^{4.5}-1]\\\\I=P[(1+I)^{4.5}-1]

Hence, the compound interest after 4 1/2 years is I=P[(1+I)^{4.5}-1]

#The total amount after the same period is A=P(1+i)^{4.5}

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