c c\,c is inversely proportional to d d\,d
When c=9c = 9c=9, d=14d = 14d=14
Find the exact value of c c\,c when d=7d = 7d=7
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.