mother age is three times biger than from the daughter. In 10 years mother's age will be 2 times bigger than the daughter. How many years the daughter and mmother are

20 years apart.

Step-by-step explanation:

Daughter is 10 years old, and mother is 3 times older. This makes mother 30 years old. There is a 20 year difference between them.

Ten years later, the daughter is 20 years old. Since the mother is 20 years older, she is now 40, which is 2 times older than the daughter.