0580/23 Oct/Nov 2021, Question 15: Reverse Percentages
Cambridge IGCSE Mathematics 0580 · Paper 23 (Extended) · Calculator · 2 marks
اقرأ هذا الحل مشروحاً بالعربي ←
The question, in short
A train fare rises by 6% to $153.70; find the fare before the increase.
Summarised in our own words. Use the official paper for the exact wording and any diagrams.
Solution · 2 marks
- 11.06x = 153.70
- 2x = 153.70 ÷ 1.06
- 3x = $145
Answer145
Stuck on a step? Read the free lesson: Reverse Percentages
Practise more reverse percentages questions
Real 0580 past-paper questions, marked on your working like the exam, with a worked solution for every part.
Practise free on LemmaraMore past-paper questions on reverse percentages
Also searched as: 0580/23/O/N/21 · 0580_w21_qp_23 · 0580 w21 23 · question 15.
Lemmara is an independent study tool, not affiliated with or endorsed by Cambridge International Education. The worked solutions are Lemmara’s own.