Bob is going to make some orange paint. He needs to mix red paint, yellow paint and white paint in the ratio 5 : 4 : 1
Bob wants to make 750 ml of orange paint.
Bob has
400 ml of red paint 300 ml of yellow paint 200 ml of white paint
Does Bob have enough red paint, yellow paint and white paint to make the orange paint? You must show all your working.
21 exam-style questions on CIE IGCSE Maths Ratio. Each one has a worked solution and a mark scheme showing where the marks go.