a a\,a is directly proportional to b b\,b
When a=7,b=28a = 7, b = 28a=7,b=28
Find the value of b b\,b when a=5a = 5a=5
Practise Oxford AQA IGCSE Maths Direct and Inverse Proportion with exam-style questions for Core and Extended tier. 22 questions, matched to the Oxford AQA IGCSE Maths (9260) specification and written in Paper 1 and Paper 2 (Core: 1C and 2C; Extension: 1E and 2E) 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.