Text: q s uos gd e eun oadoyddn pu pueapAep sodn owing set of equations:
D = 2500 - 1250P
S = 1250P - 1250
where
D = Quantity Demanded (Litres per day)
S = Quantity Supplied (Litres per day)
The equilibrium price is S per Litre.
The equilibrium quantity is Litres per day.
For Part A:
When the price was $1.60 per Litre,
The quantity demanded was 2500 - 1250(1.60) = 2500 - 2000 = 500 Litres per day.
The quantity supplied was 1250(1.60) - 1250 = 2000 - 1250 = 750 Litres per day.
The amount demanded is equal to the amount supplied.
For Part B:
When the price was $1.30 per Litre,
The quantity demanded was 2500 - 1250(1.30) = 2500 - 1625 = 875 Litres per day.
The quantity supplied was 1250(1.30) - 1250 = 1625 - 1250 = 375 Litres per day.
The amount demanded is greater than the amount supplied.
Suppose that a highly contagious virus begins to spread throughout the population and residents are required to stay at home. As such, the new demand for petrol (D) is given by the following equation. Note that supply conditions remain unchanged for the meantime.
D' = 2000 - 1250P