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Writing a Ratio as a Fraction or Linear Function

Writing a Ratio as a Fraction or Linear Function

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Question 4
41%

A painter mixes red paint (y y\,y litres) and blue paint (x x\,x litres) in the ratio 3:2.

a.

Use this information to draw a graph showing the relationship between the amount of red paint and the amount of blue paint used.

A blank coordinate grid for plotting the relationship between red paint (y) and blue paint (x).

[2]
b.

The painter is going to use 12 litres of red paint. Use your graph to work out how much blue paint should be used.

[2]
Markscheme

Writing a Ratio as a Fraction or Linear Function Questions

  1. GCSE
  2. /Maths
  3. /Writing a Ratio as a Fraction or Linear Function

60 exam-style questions on AQA GCSE Maths Writing a Ratio as a Fraction or Linear Function. Each one has a worked solution and a mark scheme showing where the marks go.

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