Higher June 2022 Paper 3 Q8
8 Information about two fridge-freezers, A and B, is shown.
| A | Total capacity is 330 litres fridge capacity : freezer capacity = 3 : 2 |
| B | Fridge capacity is 294 litres fridge capacity : freezer capacity = 7 : 3 |
Grace buys one of these fridge-freezers.
She buys the one with the greater freezer capacity.
Which one does she buy?
You must show your working. [4 marks]
| Answer | Mark | Comments |
|---|---|---|
| \(330 \div (3 + 2)\) or \(330 \div 5\) or 66 | M1 | oe eg \(\dfrac{330}{5}\) |
| their \(66 \times 2\) or 132 | M1dep | oe \(\dfrac{2}{5} \times 330\) scores M2 |
| \(294 \div 7\) or 42 or \(294 \div 7 \times 3\) or 126 | M1 | oe eg \(\dfrac{294}{7}\) or \(\dfrac{3}{7} \times 294\) |
| 132 and 126 and A | A1 |
Additional guidance
| 132 and 88.2 and A | M1M1M0A0 |