A builder makes a concrete mix using sand, cement, and gravel.
The masses of sand, cement, and gravel used are in the ratio 2:3:10 2 : 3 : 10\,2:3:10 respectively.
The mass of gravel used is 32 kg more than the mass of sand used.
Work out the total mass of the concrete mix.
Practise OCR GCSE Maths Ratio with exam-style questions for Foundation and Higher tier. 93 questions, matched to the OCR GCSE Maths (J560) specification and written in the written papers 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.