A girl is 30years younger than her mother.If she is xyears old, how old is her mother?
Forming an expression:
Given that the present age of girl =xyears
Also, it is given that she is 30years younger than her mother.
Her mother's age =(x+30)years
Thus, her mother's age is (x+30)years.
A girl is 30 years younger than her mother. If she is x years old, how old is her mother.