A man can row 6 kmph in still water. When the river is running at 3 kmph, it takes him 1 hour to row to a place and black. What is the total distance traveled by the man?
Select the correct option
A) 5.75	B) 4.5	C) 5.76	D) 5.74	E) 5.71

Rationale: "m = 6 s = 3 ds = 9 us = 3 x / 9 + x / 3 = 1 x = 2.25 d = 2.25 * 2 = 4.5 answer : b"
Answer: B