If, given the budget line, we want to know the total number of units of good """X"" that can be purchased if the entire budget is spent on good ""X", we could know it if: ""total income is multiplied by the price of the good """""" " add the total revenue and the price of the good """""" " the price of good "X" is subtracted from the total income." " total income is divided by the price of the good