Here is a list of ingredients for making 20 small cakes.
300 g of margarine
280 g of sugar
360 g of flour
1 teaspoon baking powder
4 eggs
Sam is going to make 40 of the small cakes. Work out how much margarine he needs.
Emma 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.