x x\,x is inversely proportional to yyy.
x x\,x is given by the formula: x=1000y\displaystyle x = \frac{1000}{y}x=y1000
Find the value of x x\,x when y=1000y = 1000y=1000
189 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.