Thread: high school

maria is one-ninth as old as her mother. in 3 years, she will be one-fifth as old as her mother will be then. find their presant age.

Originally Posted by ik_km

maria is one-ninth as old as her mother. in 3 years, she will be one-fifth as old as her mother will be then. find their presant age.

Let the mother's age be

Then Maria's current age is

in three years time, maria will be years old, and her mother will be years old. Since at this time, Maria's age will be one-fifth of her mother's age, we have:



Now solve for and you can find their ages