A painter mixes red paint (y y\,y litres) and blue paint (x x\,x litres) in the ratio 3:2.
a.[2]
Use this information to draw a graph showing the relationship between the amount of red paint and the amount of blue paint used.
b.[2]
The painter is going to use 12 litres of red paint. Use your graph to work out how much blue paint should be used.
Writing a Ratio as a Fraction or Linear Function Questions
Practise AQA GCSE Maths Writing a Ratio as a Fraction or Linear Function with exam-style questions for Foundation and Higher tier. 60 questions, matched to the AQA GCSE Maths (8300) specification and written in Paper 1, Paper 2 and Paper 3 style. Every question includes a full worked solution and mark scheme, so you can see where marks are awarded rather than just whether you got the answer right.