x x\,x is directly proportional to the cube of y y\,y
When x=32x = 32x=32, y=0.4y = 0.4y=0.4
Find the value of y y\,y when x=256x = 256x=256
43 exam-style questions on AQA GCSE Maths Direct and Inverse Proportion. Each one has a worked solution and a mark scheme showing where the marks go.