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

游客2024-08-23  9

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一48=48一Y,用这两个等式,得出X=64。
转载请注明原文地址:https://tihaiku.com/zcyy/3731547.html
最新回复(0)