Upstream distance traveled by boat in 5.5 hours is 33 km. Upstream speed of boat is 80% of speed in still water. Find the time(in hours) required for travelling 45 km downstream?
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Upstream distance traveled by boat in 5.5 hours is 33 km. Upstream speed of boat is 80% of speed in still water. Find the time(in hours) required for travelling 45 km downstream?