Question 359430
forward  let speed = xmph
time = 6 hours
distance = 6x miles
...
return 
speed = x+38 mph
time =4 hours
distance = 4(x+38)
distance = same
6x=4(x+38)
6x=4x+152
6x-4x=152
2x=152
x=76 mph forward journey speed
76+38=114 mph return
...
m.ananth@hotmail.ca