y y\,y is inversely proportional to x x\,x
When y=15,x=4y = 15, x = 4y=15,x=4
Find the value of y y\,y when x=12x = 12x=12
Practise Edexcel IGCSE Maths Direct and Inverse Proportion with exam-style questions for IGCSE Maths. 22 questions, matched to the Edexcel IGCSE Maths (4MA1) specification and written in Paper 1 and Paper 2 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.