A metal workshop produces circular plates and square plates. A stack of 5 circular plates and 3 square plates has a total mass of 145 g. A stack of 3 circular plates and 4 square plates has a total mass of 131 g. Work out the mass of each circular plate and each square plate.
217 exam-style questions on CCEA GCSE Maths Simultaneous Equations. Each one has a worked solution and a mark scheme showing where the marks go.