x x\,x is directly proportional to the cube of y y\,y
When x=256x = 256x=256, y=0.8y = 0.8y=0.8
Find the value of y y\,y when x=32x = 32x=32
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.