A man can row 3 kmph in still water. When the river is running at 1.2 kmph, it takes him 1 hour to row to a place and black. What is the total distance traveled by the man?  Choose one.
A) 2.9 B) 2.8 C) 2.4 D) 2.8 E) 2.2
M = 3   S = 1.2   DS = 3.6   US = 1.8   x/3.6 + x/1.8 = 1   x = 1.2   D = 1.2 * 2= 
<gadget id="calculator">1.2 * 2</gadget>
<output>2.4</output>
2.4   Answer:2.4
<result>C</result>
A man can row 3 kmph in still water. When the river is running at 1.2 kmph, it takes him 1 hour to row to a place and black. What is the total distance traveled by the man?