Mathematics 0580 · IGCSE · Introduction to algebra

Introduction to algebra — practice question

Maria purchases $n$ pencils, each priced at $p$ cents. She uses a $\$y$ note to pay.
(main)[2]

Work out, 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: “$100y - np$” …

  • Full mark scheme, point by point
  • Step-by-step worked solution
  • Write your answer & get it marked instantly by AI