Metal X has a density of 8.4 g/cm3
50 cm3 of Metal X is mixed with some of Metal Y to make Alloy Z.
Alloy Z has a mass of 600 g and a density of 7.5 g/cm3
Find the density of Metal Y.
Practise Edexcel GCSE Maths Speed and Density with exam-style questions for Foundation and Higher tier. 52 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.