A piece of string is k k\,k cm long, where k≥120k \ge 120k≥120.
John cuts three 40 cm lengths off the string.
He then cuts the rest into as many 35 cm lengths as possible.
Work out, in terms of kkk, how many 35 cm lengths of string John cuts.
218 exam-style questions on AQA GCSE Maths Calculation Problems. Each one has a worked solution and a mark scheme showing where the marks go.