A shop sells washing powder in 650g packs.
Jacob has no washing powder. He estimates that he does 2 washes a week, using 50g each wash.
Jacob buys 2 packs of washing powder.
How many weeks can Jacob use the washing powder?
218 exam-style questions on CCEA GCSE Maths Calculation Problems. Each one has a worked solution and a mark scheme showing where the marks go.