d=mv\displaystyle d = \frac{m}{v}d=vm
Work out the value of d d\,d when m=45m = 45m=45 and v=5v = 5v=5
Hence work out the value of v v\,v when d=9d = 9d=9 and m=45m = 45m=45
296 exam-style questions on Eduqas GCSE Maths Substitution. Each one has a worked solution and a mark scheme showing where the marks go.