e e\,e is directly proportional to f f\,f
When e=2,f=10e = 2, f = 10e=2,f=10
Find the value of f f\,f when e=6e = 6e=6
164 exam-style questions on OCR GCSE Maths Direct and Inverse Proportion. Each one has a worked solution and a mark scheme showing where the marks go.