The speed of boat in clan water is 30km/h. A boat takes the same time to travel 10km upstream as it does to travel 15km downstream. Find the speed of river current. . Answer it fast..
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Step-by-step explanation:
x-30kmph
Speed upstream=1/(x-y)
speed downstream=1/(x+y)
10/(30-y)=15/(30+y)
450-15y=300+10y
25y=150
y=6kmph
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