A man can row 7 kmph in still water. When the river is running at 1.2 kmph, it takes him 1 hour to row to a place and back. What is the total distance traveled by the man? Pick:
A) 6.24 km B) 6 km C) 6.79 km D) 5.66 km E) 10 km
M = 7   S = 1.2   DS = 8.2   US = 5.8   x/8.2 + x/5.8 = 1   x = 3.40   D = 3.40 * 2 = 6.79   ANSWER:6.79 km
<result>C</result>
A man can row 7 kmph in still water. When the river is running at 1.2 kmph, it takes him 1 hour to row to a place and back. What is the total distance traveled by the man?