plzzz answer me fast step by step
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let u be the speed of the steamer in km/hr
upstream the actual speed =u-2
downstream the actual speed = u+2
since the distance is the same
4*(u+2)=5(u-2)
u=18 km/h
total distance = 4*(18+2)=80km
upstream the actual speed =u-2
downstream the actual speed = u+2
since the distance is the same
4*(u+2)=5(u-2)
u=18 km/h
total distance = 4*(18+2)=80km
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