A man can row 8 kmph in still water. When the river is running at 2 kmph, it takes him 1 hour to row to a place and black. What is the total distance traveled by the man?  Choose the correct option.
A) 5.75
B) 5.7
C) 7.5
D) 5.74
E) 5.71

Rationale: "m = 8 s = 2 ds = 10 us = 6 x / 10 + x / 6 = 1 x = 3.75 d = 3.75 * 2 = 7.5 answer : c"
Answer: C