A rectangular paving stone has a length of 600 mm, to the nearest 20 mm, and a width of 300 mm, to the nearest 10 mm.
Work out the lower bound for the perimeter of the paving stone.
Work out the upper bound for the area of the paving stone.
Practise Edexcel GCSE Maths Bounds with exam-style questions for Foundation and Higher tier. 52 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.