Fred is 24 and twice as old as Ginger was when he was as old as s_英语解答

Fred is 24 and twice as old as Ginger was when he was as old as she is now. Question：How old is Gin
Question：How old is Ginger?

人气：469 ℃　时间：2020-04-06 01:56:58

解答

Gin is 16.
设Gin 现在是x岁,则列得方程为：
2（x-（24-x）））=x
x=16