A builder is going to mix concrete. He needs to mix cement, sand and gravel in the ratio 1:3:4 1 : 3 : 4\,1:3:4
The builder wants to make 240 kg of concrete.
The builder has: 40 kg of cement 100 kg of sand 150 kg of gravel
Does the builder have enough cement, sand and gravel to make the concrete? You must show all your working.
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.