A rectangular field has a length of 105 metres, to the nearest 5 metres, and a width of 53 metres, to the nearest metre.
Work out the lower bound for the perimeter of the field.
Work out the upper bound for the area of the field.
11 exam-style questions on Oxford AQA IGCSE Maths Bounds. Each one has a worked solution and a mark scheme showing where the marks go.