If rs ≠ 0, is t an integer? 1. t = 3 r - 2s 2. r = s
A. Statement (1) ALONE is sufficient but Statement (2) ALONE is not sufficient. B. Statement (2) ALONE is sufficient but Statement (1) ALONE is not sufficient. C. BOTH Statements TOGETHER are sufficient, but NEITHER Statement alone is sufficient. D. Each Statement ALONE is sufficient. E. Statements (1) and (2) TOGETHER are NOT sufficient
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Anyone care to explain?
Student: 12/22/2011 10:25:40 AM
multiplication of r and s is not equal to zero => r!=0 and s!=0 it does not mean that r and s are integers. so for t to be a -ve or +ve whole number, r and s both should be an integer.
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