A world-class swimmer can Swim at twice the speed of the prevailing
tide.
She swims out to a buoy and back again, taking four minutes to make the round-trip.
How long would it take her to make the identical swim in still water?
She swims out to a buoy and back again, taking four minutes to make the round-trip.
How long would it take her to make the identical swim in still water?
Click here for the answer!
