QD= 430 - P and QS= 5P -1490. The equilibrium quantity of the good is 110 units. calculate the gains from trade in equilibrium . (should be 7260, show all work without graphs)

Suppose that a consumer has 12 dollars to purchase either good x or y. Y is 4 dollars per unit, and X is 2 dollars for the first unit, but only 1 dollars for any additional units. Calculate the X-intercept of this consumers budget constraint. (Answer should be 8)