CAIE IGCSE Mathematics Extended E1.11.1 Understand and Use Ratio and Proportion to Give Ratios in Their Questions

Work through Extended CAIE IGCSE Mathematics ratio-sharing questions by finding unit shares and combining linked ratios.

Exam points

share a total quantity in a given ratio and calculate each share
combine linked ratios to solve multi-stage sharing problems
simplify ratio answers and keep monetary or quantity units consistent

[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.

75
M1 for $\frac{45}{3}\times k$ , where k is 1, 5 or 8

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CAIE IGCSE Mathematics Extended E1.11.1 Understand and Use Ratio and Proportion to Give Ratios in Their Questions question 1