Question 280875
Let the time to hike down be x

The time to hike up was x+1 hours

distance down = 4x

distance up = 1.5(x+1)

Both distances are same

1.5x +1.5 =4x

-2.5x = -1.5

x=-1.5/-2.5

x=0.6

x+1=1.6 hours

Total time = 2.2 hours or 2 hours 12 minutes