c c\,c is inversely proportional to d d\,d
When c=2c = 2c=2, d=5d = 5d=5
Find the value of c c\,c when d=1d = 1d=1
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.