Mnm is five times as old as my sister.How old is mum now?

来源：学生作业帮编辑：作业帮分类：英语作业时间：2024/05/07 06:52:53

Mnm is five times as old as my sister.How old is mum now?
Mum is five times as old as my sister.In 15 years mun will be twice as old as my sister How old is mum now?

Mum is five times as old as my sister.In 15 years mun will be twice as old as my sister How old is mum now?
中文即妈妈是姐姐年龄的5倍,15年后妈妈是姐姐年龄的2倍,求妈妈现在的年龄.
设妈妈现在年龄=A,姐姐现在年龄A/5,
A+15=2*（A/5+15）
得A=25
即Mum is 25 years old now.

Mnm is five times as old as my sister.How old is mum now? Mum is times as old as my sister.How old is mum now?________ Jack is 15 years old,three times as old as his sister.How ol my grandma is 84.she is four times as old as am .how old am Mother is five times old as my younger brother.In 15 years s Ben is as old as your sister How old is my sister How old is Mum? when david is twice as old as he is now he will four times a lily's father is four times as old as her sister. 英语翻译1.If my sister is twice as old as my brother.2.My father 英语选择1.The new reservoir is _____ the old one.A.as five times