Sam is preparing a mortar mix for a small construction project using the instructions below.
| Mix 1 part of cement with 4 parts of sand |
Sam has 12 kg of cement and 44 kg of sand.
What is the greatest mass of mortar Sam can make?
93 exam-style questions on OCR GCSE Maths Ratio. Each one has a worked solution and a mark scheme showing where the marks go.