SOLUTION: Kwan hiked up a hillat 4km/hr and backat 6km/hr. his total hiking time was 3hours. how long did the trip up the hill take him?
Algebra.Com
Question 251389: Kwan hiked up a hillat 4km/hr and backat 6km/hr. his total hiking time was 3hours. how long did the trip up the hill take him?
Answer by solver91311(24713) (Show Source): You can put this solution on YOUR website!
Trip up the hill:
Trip down the hill. We can use the same distance because we can assume that the mountain did not grow or shrink noticeably during the hike. And we use 
for the time because if 
was the time up the hill and the total trip was 3 hours, then is what is left for going down the hill.
)
Set these two expressions equal to 
equal to each other:
)
Solve this little equation in and you have your answer.
John
RELATED QUESTIONS
Kwan hiked uphill at 4km/h and back down at 6km/h. His total hiking time was 3h. how long (answered by ankor@dixie-net.com)
Kwan hiked up a hill at 4 km/hr and back down at 6 km/hr. His total hiking time was 3... (answered by jorel1380)
3. Kwan hiked up a hill at 4km/h and back down at 6 km/h. his total hiking time was 3 h.... (answered by ptaylor)
KWAN HIKED UP A HILL AT 4 km AND BACK DOWN AT 6 km HIS TOTAL HIKING TIME IS 3 HRS.HOW... (answered by josmiceli)
jan hiked up a hill at 4 mi/hr and back down at 6 mi/hr. Her total hiking time was 3... (answered by josgarithmetic,Alan3354)
Suppose you hike up a hill at 4km/h. You hike back down at 6km/h. Your hiking trip took 3 (answered by jorel1380)
A man rode a bycycle for 12 mi and then hiked an additional 8 mi. The total time for the... (answered by ankor@dixie-net.com)
Sam hiked up a mountain at a rate of 2.5 mph and returned along the same path at a rate... (answered by checkley77,KnightOwlTutor)