Bob works exactly 8 hours per day assembling widgets at a constant rate. How many widgets can he assemble in half of a workday?
(1) Bob produces 20 widgets in a full workday.
(2) Bob produces 50 widgets in 20 hours.
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AStatement (1) ALONE is sufficient, but statement (2) alone is not sufficient.
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BStatement (2) ALONE is sufficient, but statement (1) alone is not sufficient.
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CBoth statements TOGETHER are sufficient, but NEITHER one ALONE is sufficient.
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DEACH statement ALONE is sufficient.
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EStatements (1) and (2) TOGETHER are NOT sufficient.
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正确答案: D