a a\,a is directly proportional to b b\,b
When a=7a = 7a=7, b=28b = 28b=28
Find the value of b b\,b when a=5a = 5a=5
43 exam-style questions on AQA GCSE Maths Direct and Inverse Proportion. Each one has a worked solution and a mark scheme showing where the marks go.