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试卷名称:GMAT（QUANTITATIVE）数学模拟试卷6

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Sam is training for the marathon. He drove 12 miles from his home to the Grey Hills Park and then ran 6 miles to Red Rock, retraced his path back for 2 miles, and then ran 3 miles to Rock Creek. If he is then n miles from home, what is the range of possible values for n?

A．1≤n≤23

B．3≤n≤21

C．5≤n≤9

D．6≤n≤18

E．9≤n≤15

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