lheiannie07 wrote:Is x less than 20?
(1) The sum of x and y is less than 20.
(2) y is less than 20
When testing cases, don't forget to consider NEGATIVE VALUES.
Both statements are satisfied by the following cases:
x=0, y=0.
x=20, y=-1.
Since x is less than 20 in the first case but NOT less than 20 in the second case, the two statements combined are INSUFFICIENT.
The correct answer is
E.
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