A journey of 210 miles from a rock on Mars to another rock on Mars
takes four hours less by a fast NASA Mars buggy than a slow NASA Mars buggy. If the average speed of the slow buggy is 40 mph less than that of the fast buggy, find the average speed of faster buggy.
e. none of these
Pls include reasoning along with all answer posts.
Este examen me conduce jodiendo loco