A man can row 8 kmph in still water. When the river is running at 1.8 kmph, it takes him 2 hour to row to a place and back. What is the total distance traveled by the man?  Choose the correct choice
A) 8.2 km
B) 6.7 km
C) 7.6 km
D) 7.4 km
E) 6.3 km
M = 8   S = 1.8   DS = 9.8   US = 6.2   x/9.8 + x/6.2 = 1   x = 3.8   D = 2.88 * 2 = 7.6   Answer:7.6 km
<result>C</result>
A man can row 8 kmph in still water. When the river is running at 1.8 kmph, it takes him 2 hour to row to a place and back. What is the total distance traveled by the man?