Question 38368
Remember D = RT, distance = rate*time.
Let us call his time for the first trip, t.  Thus the time on his return car trip is t - 2.  The distances are the same so we have
25t = 75(t - 2)
25t = 75t - 150
-50t = -150
t = 3
So the distance is 25t or 75 miles.