Foundation June 2018 Paper 2 Q3
3 Joseph buys some heating oil.
He puts it in his oil tank.
The scales show the numbers of litres of oil in the tank immediately before and immediately after Joseph puts the oil in the tank.
The oil Joseph buys costs 0.40 euros per litre.
Work out the total cost of the oil that Joseph buys.
(3)
| Scheme | Marks |
|---|---|
| 400 and 1300 or 900 | M1 |
| (1300 − 400) × 0.4 or “520” – “160” | M1 |
| 360 | A1 |
| (3) | |
| (3 marks) |
Notes
M1: read scales correctly or 1300 × 0.4 (=520) or 400 × 0.4 (=160) or 9 × 0.4 (=3.6) or (\(x - y\)) × 0.4 where \(x\) and \(y\) are readings and \(x\) = 1300 or \(y\) = 400
M1: Difference of both correct readings × 0.4 oe
A1: cao