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Math
If A is an integer, which of the following CANNOT be inferred from the statement above?
A) If A is a multiple of 5, then a is a multiple of 10.
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B) If A is not a multiple of 5, then a is not a multiple of 10.
C) A necessary condition for A to be a multiple of 10 is that A is a multiple of 5.
D) A is multiple of 10 implies that a is a multiple of 5.