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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 14

A gardener mixes compost (y y\,y kg) and topsoil (x x\,x kg) in the ratio 7:2 to make a potting mix.

a.

Use this information to draw a graph showing the relationship between the mass of compost and the mass of topsoil.

A blank coordinate grid for plotting the relationship between compost (y) and topsoil (x).

[2]
b.

The gardener uses 21 kg of compost. Use your graph to work out how many kg of topsoil 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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