4400 Higher November 2009 Paper 4 Q7
7 Carlos mixes cement, lime and sand in the ratios 1 : 2 : 9 by weight.
Work out the weight of cement, the weight of lime and the weight of sand in 60 kg of the mixture.
(3)
| Scheme | Marks |
|---|---|
| 1 + 9 + 2 or 12 or 5 seen | M1 |
| cement 5 kg, lime 10 kg, sand 45 kg | A2 |
| (3) | |
| (3 marks) |
Notes
M1: May be implied by 1 correct answer
A2: A1 for one correct