jack is twice as old as Bill,who is 8 years younger lhan Ben

jack is twice as old as Bill,who is 8 years younger lhan Ben ,who is 4years younger than Ted,who is
half as old again as jack.How old is Bill?谁能算出来请速回.

wawaxyz 1年前已收到5个回答举报

孤独剑001 幼苗

共回答了17个问题采纳率：94.1% 举报

Suppose Jack is x years' old,
then Ted is x/2; Ben is x/2-4; Bill is x/2-4-8;
so we can get:x=3(x/2-4-8)
x=72
Bill is 24

1年前

rockzhuzhu166 幼苗

共回答了20个问题采纳率：95% 举报

Bill 4岁

1年前

ggff15963 幼苗

共回答了1个问题举报

1年前

蓝薇琳幼苗

共回答了1个问题举报

楼上怎么算的？式子都列错了吧？
half as old again貌似是1.5倍
so Bill is 6

1年前

qaz1221 幼苗

共回答了1个问题举报

捷克年龄是比尔的两倍，比尔比班小八岁，班比坦的小四岁，坦的比捷克大他（捷克）岁数的一半，问比尔几岁？
Ted is half as old as Jack坦的是捷克的一半大
Ted is as old again as Jack坦的毕捷克大一倍
Ted is half as old again as J...

1年前

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