Question 87658
The equation is that Distance going = Distance returning.


Let t = time (in hours) of the return trip
t+1/3 = time going 
50 MPH = rate of the return
45 MPH = rate going


Distance going = Distance returning
RT = RT
45(t+1/3) = 50(t)
45t + 15= 50t 
15= 50t-45t
15=5t
t= 3 hours


Distance = 3*50= 150 miles


R^2  Retired from SCC