e e\,e is directly proportional to f f\,f
When f=36,e=3f = 36, e = 3f=36,e=3
Find the value of e e\,e when f=48f = 48f=48
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.