Question

a boat Travels a distance in 4 hours upstream and same distance downstream in 2 hours then the ratio of velocity of boat to that of water is​

Answer 1

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Let Distance = D

speed of boat = xkm/h

speed of water = ykm/h

A/q,

D = 4(x-y)

D = 2(x+y)

4(x-y) = 2(x+y)

4x-2x = 2y+4y

2x = 6y

x:y = 3:1 (Ans)

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Answer 2

Answer:

Step-by-step explanation:

Let Distance = D

speed of boat = xkm/h

speed of water = ykm/h

A/q,

$D = 4(x-y)$

$D = 2(x+y)$

$4(x-y) = 2(x+y)$

$4x-2x = 2y+4y$

$2x = 6y$

$x:y = 3:1$