Question 28958
Let the current speed be x
Let the return speed be x+6


1.5(x+6)=2x
1.5x+9=2x
0.5x=9
x=18


18+6=24


1.5(18+6)=2(18)
36=36


Hence, she went at 18mph and returned at 24mph and the total distance between is 36 miles.
Paul.