Question

Speed of boat in still water is 15 km per hour it goes 30 km upstream and return back at the same point in 4 hours 30 minutes find the speed of stream

Answer 1

speed of boat in water is 15 km
boat goes 30 km and return 30 km
so total distance is 30+30=60
distance covered in time = 4 hour and 30 minutes

speed of boat is. = 60/4.5
= 13.3333km /hours

Answer 2

Answer:

Step-by-step explanation: