A man is 48 years old. He asks the other man how old he is. The other man answer

游客2024-08-08 44

问题 A man is 48 years old. He asks the other man how old he is. The other man answers: "I am twice as old as you were when I was as old as you are today." How old is the other man?

选项 A、32
B、48
C、64
D、80

答案 C

解析假定我现在X岁，当我48岁时，你的年龄是Y岁。因而，X=2Y，X-48=48-Y，用这两个等式，得出X=64。

转载请注明原文地址:https://www.tihaiku.com/zcyy/3710982.html

相关试题推荐

Themanwehadarresteddoesn’t______yourdescriptionofthethief.A、answerto
Readthestatementsbelow.Thenanswerthequestion.NoneofthefourJones
Amanis48yearsold.Heaskstheothermanhowoldheis.Theothermananswer
Amanis48yearsold.Heaskstheothermanhowoldheis.Theothermananswer
Answerthequestionbelowwithonlyoneword.Whatbirdliftsheavythings?crane
Veryfewscientists______completelynewanswerstotheworld’sproblems.A、comeu
Provideapreparedanswer，andyouwillgiveafalseimpression，orworse，seemdis
Theteacheraskedadifficultquestion,andfinallyTodd_____withagoodanswer
Ifyouareaskedquestionsthatseemtoyoutoopersonal,youneednotanswerth
Thequestionof______thetrafficaccidenthappenedhasn’tbeenansweredyet,t

随机试题

ThenumberofimmigrantslivingintheUSAhasrisenby16percentoverthe
Since1975advocatesofhumanetreatmentofanimalshavebroadenedtheirg
(1)BecauseImarriedaphotographer,oncewehadchildren,ourholidaycards
Ijusttoldyournephewhowtogettotheairport,butperhapsI_______havedr
Itishardtotrackthebluewhale,theocean’slargestcreaturewhichhasa
女性，58岁。肝硬化患者，最近几日出现少尿，腹围增大，考虑肝肾综合征，下列哪项说
2012年1月1日，甲企业取得专门借款2000万元，直接用于当日开工建造的厂房，
()是国务院直属机构，是全国证券期货市场的主管部门。A.中国证监会 B.中国银
社会工作者小王来到贫困山村参加精准扶贫工作。小王发现，建档立卡的贫困人口中，有一
下列单代号网络图的总工期为（）。 A.22 B.32 C.42 D.5

最新回复(0)

A man is 48 years old. He asks the other man how old he is. The other man answer

Themanwehadarresteddoesn’t______yourdescriptionofthethief.A、answerto

Readthestatementsbelow.Thenanswerthequestion.NoneofthefourJones

Amanis48yearsold.Heaskstheothermanhowoldheis.Theothermananswer

Amanis48yearsold.Heaskstheothermanhowoldheis.Theothermananswer

Answerthequestionbelowwithonlyoneword.Whatbirdliftsheavythings?crane

Veryfewscientists______completelynewanswerstotheworld’sproblems.A、comeu

Provideapreparedanswer，andyouwillgiveafalseimpression，orworse，seemdis

Theteacheraskedadifficultquestion,andfinallyTodd_____withagoodanswer

Ifyouareaskedquestionsthatseemtoyoutoopersonal,youneednotanswerth

Thequestionof______thetrafficaccidenthappenedhasn’tbeenansweredyet,t

ThenumberofimmigrantslivingintheUSAhasrisenby16percentoverthe

Since1975advocatesofhumanetreatmentofanimalshavebroadenedtheirg

(1)BecauseImarriedaphotographer,oncewehadchildren,ourholidaycards

Ijusttoldyournephewhowtogettotheairport,butperhapsI_______havedr

Itishardtotrackthebluewhale,theocean’slargestcreaturewhichhasa

女性，58岁。肝硬化患者，最近几日出现少尿，腹围增大，考虑肝肾综合征，下列哪项说

2012年1月1日，甲企业取得专门借款2000万元，直接用于当日开工建造的厂房，

()是国务院直属机构，是全国证券期货市场的主管部门。A.中国证监会 B.中国银

社会工作者小王来到贫困山村参加精准扶贫工作。小王发现，建档立卡的贫困人口中，有一

下列单代号网络图的总工期为（）。 A.22 B.32 C.42 D.5