SOLUTION: I hiked into the woods at 4 km/h and returned by the same route at 3 km/h. IF the round trio took 3 1/2 hrs,how many km into the woods did I hike?

Question 979631: I hiked into the woods at 4 km/h and returned by the same route at 3 km/h. IF the round trio took 3 1/2 hrs,how many km into the woods did I hike?

Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
Let = one-way distance into the woods in km
Let = time in hrs to hike into the woods
= time in hrs to hike out of the woods
-----------------
Hiking into the woods:
(1)
Hiking out of the woods:
(2)
---------------------
Substitute (1) into (2)
(2)
(2)
(2)
(2)
and
(1)
(1)
(1)
You hiked 6 km into the woods
check:
(2)
(2)
(2)
(2) km
OK

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