Bag P is five times as heavy as Bag Q. Bag P is 20g heavier than Bag R. The sum of the weights of the three bags is 640g.
Find the ratio of the weight of Bag Q to Bag P to Bag R.
Practise Edexcel GCSE Maths Forming and Solving Equations with exam-style questions for Foundation and Higher tier. 78 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.