A man rows to a place 48 km distant and back in 14 hours. He finds that he can row 4 km with the stream in the same time as 3 km against the stream. The rate of the stream is

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Solution

Time downstream $= \frac{48}{3} = 16$
and time upstream $= \frac{48}{4} = 12$
Then $12 x + 16 x = 14$
$\Rightarrow x = \frac{1}{2}$
Speed $= 6 a n d 8$

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A man rows to a place 48 km distant and back in 14 hours. He finds that he can row 4 km with the stream in the same time as 3 km against the stream. The rate of the stream is

Time downstream =483=16 and time upstream =484=12Then 12x+16x=14⇒x=12Speed =6and8

Time downstream $= \frac{48}{3} = 16$
and time upstream $= \frac{48}{4} = 12$
Then $12 x + 16 x = 14$
$\Rightarrow x = \frac{1}{2}$
Speed $= 6 a n d 8$