Lemmara logoLemmaraWorked solution

0580/23 Oct/Nov 2022, Question 12: Compound Interest

Cambridge IGCSE Mathematics 0580 · Paper 23 (Extended) · Calculator · 3 marks

اقرأ هذا الحل مشروحاً بالعربي ←

The question, in short

Calculate the interest earned when $4000 is invested at 2.6% per year compound interest over 3 years.

Summarised in our own words. Use the official paper for the exact wording and any diagrams.

Solution · 3 marks

  1. 1Value = 4000 × (1 + 2.6/100)³
  2. 2= 4000 × 1.026³ = 4320.18
  3. 3Interest = 4320.18 − 4000 = $320.18

Answer320.18

Stuck on a step? Read the free lesson: Compound Interest

Practise more compound interest questions

Real 0580 past-paper questions, marked on your working like the exam, with a worked solution for every part.

Practise free on Lemmara

More past-paper questions on compound interest

Also searched as: 0580/23/O/N/22 · 0580_w22_qp_23 · 0580 w22 23 · question 12.
Lemmara is an independent study tool, not affiliated with or endorsed by Cambridge International Education. The worked solutions are Lemmara’s own.