Higher June 2018 Paper 2 Q19
19. Kai and his mum have mathematically similar suitcases.
Kai’s suitcase is smaller than his mum’s suitcase.
Diagrams not drawn to scale
The label on Kai’s suitcase says it holds 66 litres.
What should the label on his mum’s suitcase say it holds? [2]
| Scheme | Marks | Comments |
|---|---|---|
| \((1\div0.8)^3\times66\) or equivalent | M1 | |
| 128.9(0625 litres) or 129 (litres) | A1 | |
| (2) |