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Mathematics 14 Online
OpenStudy (anonymous):

Kathryn currently has an account balance of $2,248.95. She opened the account 7 years ago with a deposit of $1,762.14. If the interest compounds quarterly, what is the interest rate on the account?

OpenStudy (anonymous):

\[1762.14(1+ r/4)^{28}= 2248.95\]

OpenStudy (anonymous):

Err, I used a calculator and I got the value of O.5 % Approx. I'm not sure if that's the right answer. :-|

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