Lemmara logoLemmaraWorked solution

4MA1/1HR Jun 2019, Question 6: Percentage Increases and Decreases

Pearson Edexcel International GCSE Mathematics A 4MA1 · Paper 1HR (Higher) · Calculator · 6 marks

اقرأ هذا الحل مشروحاً بالعربي ←

The question, in short

Lorenzo raises all menu prices by 8%. A dessert cost $4.25 before; find its new price. After the rise, lasagne costs $9.45; find its earlier price.

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

Part (a) · 3 marks

Find the dessert's price after an 8% increase from $4.25.

  1. 14.25 × 0.08 = 0.34
  2. 24.25 + 0.34 = 4.59

Answer4.59

Part (b) · 3 marks

Find the lasagne's price before an 8% increase, given $9.45 after.

  1. 1After an 8% rise the new price is 108% of the old: old × 1.08 = 9.45
  2. 2Old price = 9.45 ÷ 1.08 = 8.75

Answer8.75

Stuck on a step? Read the free lesson: Percentage Increases and Decreases

Practise more percentage increases and decreases questions

Real 4MA1 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 percentage increases and decreases

Also searched as: 4MA1 1HR June 2019 · 4MA1/1HR · 4ma1 jun19 1hr · question 6.
Lemmara is an independent study tool, not affiliated with or endorsed by Pearson Edexcel. The worked solutions are Lemmara’s own.