I think the answer is letter B.
Time is always "earlier" in the east and "later" in the west- think of it like this, the Sun rises in the East, so it will rise earlier in the East!
There are three time zones in South America, so the difference will be 2 hours: so it will be two hours later, that is, it will be 7 PM!
The right answer for the question that is being asked and shown above is that: "Undefined."
AB = XY
BC = YZ
CA = ZY
BC = x + 5
AC = x + 1
YZ = x + 3
XZ = x + 2
x + 5 = x + 3
<span>X = undefined.</span>
