CAIE IGCSE Mathematics Extended E1.11.1 Ratio & Proportion

Practise simplifying ratios, sharing quantities and linking proportional information in money, measurement and scale contexts.

Syllabus
2028–2030
Objective
E1.11.1
Level
Extended

Exam points

  • divide a total by the sum of ratio parts before finding each share
  • scale linked ratios so their common quantity has the same number of parts
  • convert units before simplifying a comparison or writing it in 1:n form

E1.11.1 Understand and use ratio and proportion to: • give ratios in their question 1

[Maximum number: 2]

At a football club, season tickets are sold for seated areas and for standing areas.
The cost of season tickets are in the ratio seated : standing = 5 : 3.
The cost of a season ticket for the standing area is $45.
Find the cost of a season ticket for the seated area.

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