4 years ago,mary's age was1/4 of her mother's.mary is now 15 years old.how old.how old is is her mother now

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4 years ago,mary's age was1/4 of her mother's.mary is now 15 years old.how old.how old is is her mother now

4 years ago,mary's age was1/4 of her mother's.mary is now 15 years old.how old.how old is is her mother now
4 years ago,mary's age was1/4 of her mother's.mary is now 15 years old.how old.how old is is her mother now

4 years ago,mary's age was1/4 of her mother's.mary is now 15 years old.how old.how old is is her mother now
设Mary的妈妈今年X岁
1/4(X-4)=15-4
解得X=48

4年前,M的年龄是他妈的1/4现在M15岁了,他妈妈多少岁
四年前M11岁,妈妈44岁
四年后妈妈48岁就是现在是48岁

48

设mother现在的age为x
(x-4)*1/4=15-4
x=48

1

设为x,则:(x-4)/4=15-4
48岁。

设妈妈今年的年龄是x岁
1/4(x-4)=15-4
解得x=48

4年前玛利的年龄是她母亲的四分之一,玛利现在15岁,她妈妈现在几岁
设她母亲年龄为X,(X-4/)4+4=15, X=48

4 years ago,mary's age was1/4 of her mother's.mary is now 15 years old.how old.how old is is her mother now 4 years ago,mary's age was 0.25 of her mother's.mary is now 15 years old.how old.how old is is her mother now Harry worked in a lawyer's office years ago这个years ago代表什么 Mary lives in a small village now用the years ago做时间状语 Mary is not single and she got _______________(marry) to Don a few years ago. Tony worked in a lawyer's office years ago.请问句中的years ago是固定搭配吗那years 翻译:after his father's death a few years ago. Mary's anut lives in shenyang.She moved there ten years ago怎么样把这两短合成一句话帮下谢谢 Mary years (),there lived a doctor in a small town.A.before B.long C.ago D.over Mary ____ ____in China since three years ago .填什么 what did mary have many years ago?翻译这句话, mary has got married since two years ago改错 英语翻译1.I was a worker ten year ago.2.tom bought a new bag yesterday.3.Mary played tennis three years ago. a few hundred years ago 3道同义句转换,Mary married Simon in 2008.=Mary and Simon( )( )in 2008.=Mary and Simon( )( )( )since 2008=Mary( )( )( )( )Simon for about two years.I bought the bike ten years ago.=I( )( )the bike( A)ten years ago.I no longer have a wonderful ho Five years ago Sally was in high school,now she's a c() atudent She has saved many people's lives ____ she bacame a doctor twenty years ago Tom's father s___ this factory two years ago,and he made a lot of money.