Mathematics 0580 · IGCSE · Introduction to algebra

Introduction to algebra — practice question

Maria purchases $n$ pencils, each priced at $p$ cents. She gives a $$y$$ note as payment.

(main)[2]

Determine, in terms of $n$, $p$ and $y$, how much change Maria gets. Give your answer in cents.

Worked solution & mark scheme

This 2-mark question has a full step-by-step worked solution and mark scheme. One marking point: “Payment converted to cents: $100y$” …