Here is a list of ingredients for making 20 small cakes.
300 g of margarine
250 g of sugar
360 g of flour
2 teaspoons baking powder
4 eggs
Joe is going to make 40 of the small cakes. Work out how much margarine he needs.
Sharon is going to make 30 of the small cakes. Work out how much flour she 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.