300 cm3 of metal Alpha and 700 cm3 of metal Beta are melted and mixed to form an alloy.
Metal Alpha has a density of 2.5 g/cm3.
Metal Beta has a density of 3.2 g/cm3.
Work out the density of the alloy.
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.