1MA0 Foundation November 2013 Paper 2 Q18
18 You can use this graph to change between gallons and litres.
There are 80 litres of petrol in the petrol tank of car A.
There are 16 gallons of petrol in the petrol tank of car B.
Which car has the most petrol in its petrol tank?
You must show all your working. (3)
| Working | Answer | Mark | Notes |
|---|---|---|---|
| 80 litres ≈ 18 gallons or 16 gallons ≈ 72 litres | A with correct figures | 3 | M1 for reading from the graph eg. 8 gallons = 36 litres; 20 litres = 4.4 gallons M1 for a complete method to convert either 80 litres into gallons or 16 gallons into litres e.g. 80 litres = “4.4” × 4 gallons or 16 gallons = “36” × 2 litres A1 for car A with correct figures in range 17.5 – 18.5 gallons or 64 – 72 litres |