It takes 4 machines 9 hours to manufacture a set of parts.
Work out how many hours it would take 6 machines to manufacture the same set of parts.
Practise AQA GCSE Maths Direct and Inverse Proportion with exam-style questions for Foundation and Higher tier. 96 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.