Molly gets paid £9.20 for each hour she works from Monday to Friday. She gets paid £11.40 for each hour she works on Saturday.
Last week Molly worked k k\,k hours from Monday to Friday and 4 hours on Saturday.
Find an expression, in terms of kkk, for the amount Molly was paid last week.
218 exam-style questions on AQA GCSE Maths Calculation Problems. Each one has a worked solution and a mark scheme showing where the marks go.