Here is a list of ingredients for making 12 small cakes.
180 g of margarine
180 g of sugar
200 g of flour
1 teaspoon baking powder
2 eggs
Joe is going to make 30 of the small cakes. Sharon is going to make 18 of the small cakes. Work out how much margarine Joe needs and how much flour Sharon needs.
115 exam-style questions on Eduqas GCSE Maths Proportion. Each one has a worked solution and a mark scheme showing where the marks go.