The square of Maria's age is a quarter of the square of Juan's age that is half of 20.

**What is Maria's age?**

#### Solution

**Maria is 5 years old**.

The square of the age of Mary: it is the fourth part of the square of the age of John that is half of 20

The square of Maria's age is a quarter of the square of Juan's age that is half of 20.

**What is Maria's age?**

**Maria is 5 years old**.

The square of the age of Mary: it is the fourth part of the square of the age of John that is half of 20