Question

Please solve fast it's urgent


in one hour, a boat goes 9 km/h along the stream and 3 km/h against the stream. Find the speed of the still water in km/h​

Answer 1

Answer:

Step-by-step explanation:

Speed of boat =9 km/hr

Speed of stream =x km/hr

Speed of boat downstream = speed  of boat + Speed of stream

=(9+x) km/hr

Distance covered by boat in 4 hrs upstream =54 km

Speed of boat upstream (9+x)=  

4

54

​  

=13  

2

1

​  

 

x=13  

2

1

​  

−9 km/hr=4.5 km/hr

Answer 2

Question:

in one hour, a boat goes 9 km/h along the stream and 3 km/h against the stream. Find the speed of the still water in km/h

Answer:

6km/hr

Explanation:

Given:

Speed of boat =9km\hr

Speed of stream =3km\hr

Speed of water =X km\hr

Formula:

upstream=u-v(u=speed of boat in water, v=speed of stream)

=9-3km\hr

=6km\hr

[Hope this helps you.../]