# Finance

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Calculating Interest Rate. Find the interest rate implied by the following combinations of present and future values.

PresentValue Years Future Value
\$400 11 \$684
\$183 4 \$249
\$300 7 \$300

Since you do not state otherwise, I am assuming that your interest rate is compounded annually.
I will do the second of your questions.

Using Amount = Present Value(1+i)^n
we do not know i.

249=183(1+i)^4
1.3606557=(1+i)^4
take the fourth root
1.0800331=1+i
giving you i=0.0080031
so the annual rate is 8%

by observation the rate for you last question is clearly 0%

• Finance -

460 present 11 years 968 future value

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