When a driver runs a long distance, the boss will pay her $10 / h and $0.5/mile. She received a total of $100. How many miles did she drive this time?
1: The average speed is 50mile/h
2: She ran 5/12 of the way at 58 mile/h. The average speed of the rest of the journey was 39 mile/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 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.
显示答案
正确答案: D