225 grams of flour are needed to make 9 cakes.
Marian wants to make 20 of these cakes.
She has 475 grams of flour.
Verify that Marian does not have enough flour to make 20 cakes. You must show all your working.
115 exam-style questions on Eduqas GCSE Maths Proportion. Each one has a worked solution and a mark scheme showing where the marks go.