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 CIE IGCSE Maths Direct and Inverse Proportion with exam-style questions for Core and Extended tier. 22 questions, matched to the CIE IGCSE Maths (0580) specification and written in Paper 1 and Paper 3 (Core) or Paper 2 and Paper 4 (Extended) 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.