It took a total of 5 hours for S to drive from station x to station y. How long does it take for him to go for the first 200 miles?
(1)The average speed of the first three hours of S is 80miles/h
(2)The average speed of the last two hours of S is 90miles/h
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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 statement TOGETHER are sufficient, but NEITHER statement ALONE is sufficient.
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DEACH statement ALONE is sufficient.
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EStatements (1) and (2) TOGETHER are NOT sufficient.
显示答案
正确答案: E