问题标题：
JsckistwiceasoldasJill,butinfiveyearstimehewillonlybeoneandJsckistwiceasoldasJill,butinfiveyearstimehewillonlybeoneandahalftimesoldasJill.HowoldareJackandJillnow/
问题描述：
JsckistwiceasoldasJill,butinfiveyearstimehewillonlybeoneand
JsckistwiceasoldasJill,butinfiveyearstimehewillonlybeoneandahalftimesoldasJill.HowoldareJackandJillnow/
廖华明回答：
Jsck应该是Jack吧
设Jack=x,Jill=y
x=2y
x+5=1.5*(y+5)
解方程组
得X=10
Y=5
所以Jack现在10岁,Jill现在5岁.
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