A boatman rows 6 km in 8 minutes, along the stream and 36 km in 4 hours against the stream. The speed of the stream is:
Rate downstream = 6/8 x 60 = 45 km/hr Rate upstream = 36/4 = 9 km/hr Speed of current = 1/2 (Rate downstream – Rate upstream) ⇒ 1/2 (45 – 9) km/hr = 18 km/hr
Nip It in the Bud
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At your beck and call
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Back to square one
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The team members seem to be running around in circles.
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Broken reed-
