# Mark is older than Frank, but younger than David. If m, f, and d represent the ages, in ye

Mark is older than Frank, but younger than David. If m, f, and d represent the ages, in years, of Mark, Frank, and David, respectively, which of the following is true？

______d＜f＜m

______f＜m＜d

______d＜m＜f

______f＜d＜m

• 悬赏：0 答案豆
• 提问人：00****65
• 发布时间：2018-08-16

2018-08-16 12:18

###### 正确答案：You are given that Mark m is older than Frank f. Therefore f＜m. You are also given that Mark m is younger than David d. Therefore d＞m. Mark's age is between Frank and David's ages so f＜m＜d.You are given that Mark, m, is older than Frank, f. Therefore, f＜m. You are also given that Mark, m, is younger than David, d. Therefore, d＞m. Mark's age is between Frank and David's ages, so f＜m＜d.

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