A plank of wood is 450 cm long.
David cuts four 65 cm lengths off the plank.
He then cuts the rest into as many 70 cm lengths as possible.
Work out how many 70 cm lengths of wood David cuts.
Practise AQA GCSE Maths Calculation Problems with exam-style questions for Foundation and Higher tier. 56 questions, matched to the AQA GCSE Maths (8300) 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.