A man swims downstream 42 km and upstream 18 km taking 3 hours each time, what is the speed of the ...
A man swims downstream 42 km and upstream 18 km taking 3 hours each time, what is the speed of the man in still water?
Answer/Solution
10
Steps/Work
42 --- 3 DS = 14
? ---- 1
18 ---- 3 US = 6
? ---- 1 M = ?
M = (14 + 6)/2 =10
Answer: E
? ---- 1
18 ---- 3 US = 6
? ---- 1 M = ?
M = (14 + 6)/2 =10
Answer: E