c c\,c is inversely proportional to d d\,d
When c=6c = 6c=6, d=15d = 15d=15
Find the value of c c\,c when d=5d = 5d=5
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.