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
Practise Edexcel GCSE Maths Direct and Inverse Proportion with exam-style questions for Foundation and Higher tier. 96 questions, matched to the Edexcel GCSE Maths (1MA1) specification and written in Paper 1, Paper 2 and Paper 3 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.