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
10 exam-style questions on Oxford AQA IGCSE Maths Direct and Inverse Proportion. Each one has a worked solution and a mark scheme showing where the marks go.