意思是：4年前,玛丽的年龄为0.25岁的她母亲的.玛丽现在15岁.多大年纪.是她母亲多大了吗?设now mary's mother'sage is x
(x-4)/4=15-4
x=(15-4)*4+4=48
4 years ago,mary's age was 0.25 of her mother's.mary is now
1个回答
相关问题
-
Mary smiled _____ her mother did when she was Mary's age.
-
Mary smiled the way her mother did when she was at Mary's ag
-
Mary's mother is teaching English now还是说Mary's mothe
-
Miss Smith is a friend of A．Mary's mother's B．Mary's mother
-
She is a friend of （ ） A.Mary's mother’s B.Mary
-
Miss Smith is a friend of________. A．Mary’s mother’s B．Mary’
-
Miss Green is a friend of（ ） A.mary's mother's B.mary's moth
-
Mr Black is a friend of ____. A. Mary's mother B.Mary's moth
-
Mary is in the shop with her mother.She's helping her ______
-
1.Mary's mother is in Shanghai now,but_______is in Beijing n