Answer:
48%
Explanation:
A liter of LPG costs £0.62
A liter of petrol costs £1.29.
Therefore,
The cost of a liter of LPG as a percentage of the cost of a liter of petrol is calculated as:
Cost of LPG/ Cost of Petrol × 100
= £0.62/£1.29 × 100
= 48.062015504%
Approximately to the nearest whole number = 48%