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Dashboard
Topics
Exponents & LogarithmsApproximations & ErrorSequences & SeriesMatricesComplex NumbersFinancial Mathematics
Cartesian plane & linesFunction TheoryModellingTransformations & asymptotes
2D & 3D GeometryVoronoi DiagramsTrig equations & identitiesVectorsGraph Theory
ProbabilityDescriptive StatisticsBivariate StatisticsDistributions & Random VariablesInference & Hypotheses
DifferentiationIntegrationDifferential Equations
Review VideosFormula BookletMy Progress
BlogLanding Page
Sign UpLogin
Perplex
IB Math AIHL
/
Financial Mathematics
/
Problem Bank
IB Math AIHL
/
Financial Mathematics
/
Problem Bank

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

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

    [2]