In the figure, two straight lines intersect. If one of the angles formed measures $110^{\circ }$, and $x^{\circ }$ is an angle adjacent to it forming a linear pair, while $y^{\circ }$ is the angle vertically opposite to $110^{\circ }$, what is the value of $x+y$?

(Note: The figure shows two intersecting lines forming four angles. One angle is $110^{\circ }$. An adjacent angle on the same straight line is $x^{\circ }$. The angle directly opposite to $110^{\circ }$ is $y^{\circ }$.)