A premium parking service costs 6.8 pence per minute. An average customer parks for 18 minutes. The service had 39 customers on Monday.
Work out an estimate for the total amount paid by these customers.
Is your answer to part (a) an underestimate or an overestimate? Give a reason for your answer.
Practise Edexcel GCSE Maths Estimating with exam-style questions for Foundation and Higher tier. 64 questions, matched to the Edexcel GCSE Maths (1MA1) specification and written in Paper 1, Paper 2 and Paper 3 style. Every question includes a full worked solution and mark scheme, so you can see where marks are awarded rather than just whether you got the answer right.