Question

a boat sails a distance of 44 km in 4 hours with the current. it takes 4 hours 48 minutes longer to cover the same distance against the current. find the speed of the boat in still water and the speed of the current.

Answer 1

Answer:

8 & 3 km/Hr

Step-by-step explanation:

Let say Speed of Boat in Still water= B km/Hr

Let say speed of Current = C km/Hr

Speed with Current = B + C km/Hr

Distance = 44 km

Time taken = 4 Hrs

Speed = Distance / Time

=> B + C = 44/4

=> B + C = 11

Speed against Current = B - C km/Hr

Distance = 44 km

Time taken = 4 + 4 Hrs 48 minutes =  8 4/5  = 44/5 hrs

Speed = Distance / Time

=> B - C = 44/(44/5)

=> B - C = 5

Adding Both 2B = 16  => B = 8

8 + C = 11 => C = 3

Speed of Boat in still water = 8 km/Hr  

Speed of current = 3 km/hr

Answer 2

Step-by-step explanation:

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