at a certain point, the slope of the marshall demad for good one is -0,25. the slope of the hicksiam demand for good ome is -2. the slope of the engel curbe for good 2. the orice of good 1 is price of good 2 is 2. the income is 72. how many units of good 2 is purchased?

at a certain point, the slope of the marshall demad for good one is -0,25. the slope of the hicksiam demand for good ome is -2. the slope of the engel curbe for good 2. the orice of good 1 is price of good 2 is 2. the income is 72. how many units of good 2 is purchased?