A garden centre sells fertilizer in 500ml bottles.
A gardener has no fertilizer. He uses 40ml of fertilizer for each of his 5 indoor plants every month.
The gardener wants to buy enough fertilizer for 6 months.
How many bottles of fertilizer does the gardener need to buy?
218 exam-style questions on OCR GCSE Maths Calculation Problems. Each one has a worked solution and a mark scheme showing where the marks go.