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【单选题】

If the average (arithmetic mean) of a and b is 110, and the average of b and c is 160, what is the value of a-c

A、-220
B、-100
C、100
D、135
E、It cannot be determined from the information given.
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根据网考网移动考试中心的统计,该试题:

15%的考友选择了A选项

71%的考友选择了B选项

5%的考友选择了C选项

9%的考友选择了D选项

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