Anita's is mothet is four times as old as anita . Twenty years later .the will be just twice as old as anita will be then. Find the present age of anita.
Answers
Answered by
3
Anita mother age is 40 and his daughter age is 10
Attachments:
Answered by
8
Sol : Let the age of Anita is x.
So, Anita's mother's age = 4 x .
After 20 years ,
Age of Anita = x + 20 yrs.
Age of Anita's mom = 4 x + 20 yrs.
According to question,
Age of Anita's mom = 2 * age of Anita
4 x + 20 yrs = 2 ( x + 20 yrs )
4 x + 20 yrs = 2 x + 40 yrs
4 x - 2 x = 40 yrs - 20 yrs
2 x = 20 yrs
x = 20 yrs / 2
x = 10 yrs.
Age of Anita = x = 10 yrs.
Age of Anita's mom = 4 x = 4 * 10 yrs = 40 yrs.
________________________________________________________
So, Anita's mother's age = 4 x .
After 20 years ,
Age of Anita = x + 20 yrs.
Age of Anita's mom = 4 x + 20 yrs.
According to question,
Age of Anita's mom = 2 * age of Anita
4 x + 20 yrs = 2 ( x + 20 yrs )
4 x + 20 yrs = 2 x + 40 yrs
4 x - 2 x = 40 yrs - 20 yrs
2 x = 20 yrs
x = 20 yrs / 2
x = 10 yrs.
Age of Anita = x = 10 yrs.
Age of Anita's mom = 4 x = 4 * 10 yrs = 40 yrs.
________________________________________________________
Similar questions