Stephen is n n\,n years old. Rachel is 10 years older than Stephen Tim is 13 years younger than Stephen.
Write an expression for Rachel's age.
Write an expression for Tim's age.
Write an expression for the total age of Stephen, Rachel and Tim.
64 exam-style questions on WJEC GCSE Maths Writing an Expression. Each one has a worked solution and a mark scheme showing where the marks go.