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=50y = 50y=50
Practise Edexcel GCSE Maths Direct and Inverse Proportion with exam-style questions for Foundation and Higher tier. 96 questions, matched to the Edexcel GCSE Maths (1MA1) specification and written in Paper 1, Paper 2 and Paper 3 style. Every question includes a full worked solution and mark scheme, so you can see where marks are awarded rather than just whether you got the answer right.