(a) The driver of a vehicle approaching an intersection shall yield the right of way to a vehicle which has entered the intersection from a different street or highway.
(b) When two vehicles enter an intersection from a different street or highway at approximately the same time the driver of the vehicle on the left shall yield the right of way to the vehicle on the right.
(c) The right-of-way rules declared in subsections (a) and (b) hereof are modified at through streets or highways and otherwise as hereinafter stated in this article. (WVaC 17C-9-1)