Question

the speed of a boat in still water is 20 %more than that of the current. if the speed of the boat in still water had been 3km less than it would take 4.5hours to cover 135 km in downstream. find the time taken by the boat to cover 165km in upstream with original speed​

Answer 1

Answer:

distance travelled = speed X Time = 18 x 1/5 = 3.6 km

Answer 2

Answer :

Distance travelled = Speed × Time = 18 × 1/5 - 36 km.