SOLUTION: Johan leaves a trail of 41km . he planned the first section at a speed of 4km / h walking and the last section at 5km / h . how far should he at 4km / h walking the walk in 9 hours
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Question 908960: Johan leaves a trail of 41km . he planned the first section at a speed of 4km / h walking and the last section at 5km / h . how far should he at 4km / h walking the walk in 9 hours to complete Answer by ewatrrr(24785) (Show Source):
You can put this solution on YOUR website! t time at the faster rate
(5kmph)t + (4kmph)(9-t) = 41km
t = 5hr, time at the faster rate. (4hr at 4kmph 0r a Distance of 16m)
