Fred is 24 and twice as old as Ginger was when he was as old as she is now. Question：How old is Gin
题目
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?
答案
Gin is 16.
设Gin 现在是x岁,则列得方程为：
2（x-（24-x）））=x
x=16
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