A shop sells washing powder in 600g packs.
Jacob has no washing powder. He estimates that he does 2 washes a week, using 50g each wash.
Jacob wants to buy enough washing powder for 12 weeks.
How many packs of washing powder does Jacob need to buy?
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.