Holmes and Watson had apprehended three people on suspicion of shop lifting. The three, a man, a woman and a boy, were interview

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问题 Holmes and Watson had apprehended three people on suspicion of shop lifting. The three, a man, a woman and a boy, were interviewed by Inspector Lestrade at Scotland Yard. During the interview he came clear that the man was three times as old as the boy and twice as old as the woman. The age of all three added together is 88 years.

How old is each?

选项 A、Man is 40 years. Woman is 20 years and the boy is 10 years.
B、Man is 40 years. Woman is 30 years and the boy is 8 years.
C、Man is 48 years. Woman is 24 years and the boy is 16 years.
D、Man is 46 years. Woman is 23 years and the boy is 12 years,

答案C

解析
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