that can be purchased with a given income level, represented by the equation I=Y+(Px/Py)X, where Px and Py are the prices of goods X and Y and I is income.
that can be purchased with a given income level, represented by the equation I=PxX+PyY, where Px and Py are the prices of goods X and Y and I is income.
that can be purchased with a given income level, represented by the equation I=Y-(Px/Py)X, where Px and Py are the prices of goods X and Y and I is income.
that can be purchased with a given income level, represented by the equation Y= (I/Py) - (Px/Py)X, where Px and Py are the prices of goods X and Y and I is income.