A watercraft goes downstream from one point to another in 19 hours. It covers
the same distance upstream in 23 hours. If the speed of the stream is 2 kmph, then
find the distance between the two points?
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Answer:
437km
Step-by-step explanation:
goes downstream time (x=19hours)
for upstrem is (y=23hours)
speed of the stream (z=2kmph)
speed of watercraft = z(x+y/x-y)
=2(42/4)
=21kmph
the distance between the points =(watrecraft speed+speed of stream) *x
=(21+2)kmph*19hr
=437km
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