Marcus is n n\,n years old. Rachel is 7 years older than Marcus Tim is 16 years younger than Marcus.
Write an expression for Rachel's age.
Write an expression for Tim's age.
Write an expression for the total age of Marcus, Rachel and Tim.
267 exam-style questions on Eduqas GCSE Maths Writing an Expression. Each one has a worked solution and a mark scheme showing where the marks go.