Is x < w?
1. x-w < x
2. x+w < w
Statement 1:
Subtracting x from both sides, we get:
-w < 0
w > 0.
No information about x.
INSUFFICIENT.
Statement 2:
Subtracting w from both sides, we get:
x < 0.
No information about w.
INSUFFICIENT.
Statements combined:
Since x is NEGATIVE and w is POSITIVE, x<w.
SUFFICIENT.
The correct answer is
C.
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