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Perplex
IB Math AISL
/
Financial Mathematics
/

Problem Bank

IB Math AISL
/
Financial Mathematics
/

Problem Bank

[Maximum mark: 6]

Ella invests ​$500​ in a savings account that earns ​4%​ interest per annum, compounded quarterly.

  1. Find an expression for the balance of Ella's savings after ​n​ years.

    [2]
  2. Calculate the value of Ella's savings after ​12​ years. Give your answer to the nearest dollar.

    [2]

Ella wants to purchase a racing bike for ​$700.

  1. Find the number of years after which her savings will be sufficient to purchase the bike.

    [2]

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[Maximum mark: 6]

Ella invests ​$500​ in a savings account that earns ​4%​ interest per annum, compounded quarterly.

  1. Find an expression for the balance of Ella's savings after ​n​ years.

    [2]
  2. Calculate the value of Ella's savings after ​12​ years. Give your answer to the nearest dollar.

    [2]

Ella wants to purchase a racing bike for ​$700.

  1. Find the number of years after which her savings will be sufficient to purchase the bike.

    [2]

Ask Plex AI about this problem

Get hints, ask questions, and work through this problem step by step

I'm Plex, here to help with problems on this worksheet!