c is a mixture of a and b. The unit price of c is $3.2/kg. What is the value of a/b=?
（The price is proportional to the unit）
1: The unit price of a is $2 / kg.
2: The unit price of b is $4 / kg.
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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: C