y y\,y is inversely proportional to the cube of x x\,x
When y=128y = 128y=128, x=0.5x = 0.5x=0.5
Find the value of y y\,y when x=0.2x = 0.2x=0.2
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.