400 ml of Solution P and 600 ml of Solution Q are mixed together to make Solution R.
Solution P has a density of 1.08 g/ml.
Solution Q has a density of 1.14 g/ml.
Work out the density of Solution R.
Practise OCR GCSE Maths Speed and Density with exam-style questions for Foundation and Higher tier. 52 questions, matched to the OCR GCSE Maths (J560) specification and written in the written papers 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.