A rowing team rowed 90 miles while going with the current in the same amount of time as it took to row 10 miles going against th
e current. The rate of the
current was 4 miles per hour. Find the rate of the rowing team in still water.
1 answer:
Answer:
5mph
Step-by-step explanation:
Let speed of boat in still water is s.
Distance proportional to speed
90/10 = (s+ 4)/(s - 4)
=> 9s - 36 = s + 4
=> 8s = 40
=> s= 5 mph
:-)
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