w w\,w is directly proportional to the square root of z z\,z
When w=35,z=25w = 35, z = 25w=35,z=25
Find the possible values of z z\,z when w=14w = 14w=14
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.