A chef buys special flour that costs 1.2 pence per gram. On average, the bakery uses 430 grams of this flour per day. The chef buys enough flour for 54 days.
Work out an estimate for how much the chef pays for the flour.
Is your answer to part (a) an underestimate or an overestimate? Give a reason for your answer.
247 exam-style questions on OCR GCSE Maths Estimating. Each one has a worked solution and a mark scheme showing where the marks go.