2. 职称英语
  3. A man is 48 years old. He asks the other man how old he is. The other man answer

A man is 48 years old. He asks the other man how old he is. The other man answer

游客2024-08-13  47
问题 A man is 48 years old. He asks the other man how old he is. The other man answers: "I am twice as old as you were when I was as old as you are today. " How old is the other man?
选项
答案 64
解析 假定我现在X岁，当我48岁时，你的年龄是Y岁。因而，X=2Y，X-48=48-Y，用这两个等式，得出X=64.  
转载请注明原文地址:https://tihaiku.com/zcyy/3717512.html
相关试题推荐
随机试题
最新回复(0)