The average price of gasoline is 105¢ per litre in your town.
a. At a price of 7¢ per litre
, since the amount of gasoline people are willing and able to buy
the amount of gasoline gas stations are willing and able to sell.
b. At a price of 350¢ per litre
, since the amount of gasoline people are willing and able to buy
the amount of gasoline gas stations are willing and able to sell.
