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  • Perplex
    IB Math AISL
    /
    Financial Mathematics
    /

    Problem Bank

    [Maximum mark: 5]

    On January 1st, 2017, Teddy makes an investment of ​$100,000​ into a savings account that produces a ​6%​ nominal annual return.


    Ten years later, the real value of Teddy's bank balance is ​$125,000.

    1. Determine the real annual interest rate to two decimal places.

      [3]
    2. Find ​i%,​ the average inflation rate (to two decimal places) Teddy experienced over the course of the decade.

      [2]

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