A builder mixes sand, cement, and gravel in the ratio 4:2:1 4 : 2 : 1\,4:2:1 to make concrete.
The builder uses 32 kg of sand. Work out the mass of cement and gravel the builder uses.
Practise Eduqas GCSE Maths Ratio with exam-style questions for Foundation and Higher tier. 93 questions, matched to the Eduqas GCSE Maths (C300QS) specification and written in Component 1 and Component 2 style. Every question includes a full worked solution and mark scheme, so you can see where marks are awarded rather than just whether you got the answer right.