Mathematics 0580 · IGCSE · Exponential growth and decay

Exponential growth and decay — practice question

A motorbike is priced at $12\,400$. Its value falls exponentially by 15% each year.
(main)[2]

Calculate the value of the motorbike after 3 years.

Worked solution & mark scheme

This 2-mark question has a full step-by-step worked solution and mark scheme. One marking point: The required expression is $12400\times\left(1-\frac{15}{100}\right)^3$.

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