A piece of string is 350 cm long.
John cuts three 40 cm lengths off the string.
He then cuts the rest into as many 35 cm lengths as possible.
Work out the length of string left after John cuts off the three lengths.
Hence work out how many 35 cm lengths of string John cuts.
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.