Question

A man can row 4.5 km/hr in
still water and he finds that it
takes him twice as long river.
Find the rate of stream.
(a)2 km/hr (b) 1.5 km/hr
(c) 2.5 km/hr (d) 1.75 km/hr​

Answer 1

Step-by-step explanation:

td: tu

1:2

sd:su

2:1

Boat: stream

2+1:2-1

3:1

3---4.5

1--4.5/3=1.5