100ml of liquid A and 200ml of liquid B are mixed together to make liquid C.
Liquid A has a density of k k\,kg/ml.
Liquid B has a density of 1.1 g/ml.
Work out the density of liquid C in terms of kkk.
203 exam-style questions on Eduqas GCSE Maths Speed and Density. Each one has a worked solution and a mark scheme showing where the marks go.