A decorator mixes blue, yellow, and white paint.
The ratio of blue paint to yellow paint to white paint is 1:4:71:4:71:4:7.
What fraction of the mixture is white paint?
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Markscheme
Writing a Ratio as a Fraction or Linear Function Questions
60 exam-style questions on Edexcel 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.