Aman is 45 years old.His son is 13.ow long ago was his age five times his so
问题描述：
Aman is 45 years old.His son is 13.ow long ago was his age five times his so
答
5 years ago
40-x=5*(13-x)
x=5
Aman=40
Son=8
40=8*5Aman is 45 years old.His son is 13.ow long ago was his age five times his son's?这才是完整的题目，45-x=5*(13-x) 不好意思，上面写错了恩，答案是对的，谢谢，