Question 260475
D=RT
60=R*5
R=60/5
R=12 KMH. GOING UPSTREAM.
60=R*3
R=60/3
R=20 KMH. GOING DOWNSTREAM.
(20-12)/2=8/2=4 KMH IS THE CURRENT SPEED.
12+4=16 KMH IS THE BOAT SPEED
20-4=16 DITTO.