the speed of boat in still water is 8kmph . it is rowed down a stream flowing at 5kmph for a distance of 60 km. how long will the journy fast?
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Answer:
2.9 hours
Step-by-step explanation:
for 8 km /h in 63 km it takes 7.5 hrs and for 13 km/hr i.e 8km/hr + 5 km/hr. it takes 4.6 hr
then 7.5 - 4.6
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