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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 60

A gardener is mixing plant food by combining nitrogen (x x\,x g) and potash (y y\,y g) in the ratio 9:109:109:10.

a.

Use this information to draw a graph showing the relationship between the amount of nitrogen and the amount of potash used.

A blank coordinate grid for drawing a graph.

[2]
b.

The gardener decides to use 55 g of potash. Use your graph to work out how much nitrogen he should use.

[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

222 exam-style questions on WJEC 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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