How Many Students Are 10 Years or Older in a Group of 36 Students?

How many students are 10 years or older in a group of 36 students if one-third of the total are younger than 10 years old?

There are 24 students who are 10 years or older in a group of 36 students. This can be calculated by first finding out how many students are younger than 10 years old, which is 1/3 of 36, equal to 12. Then, subtract 12 from the total number of students to find out how many students are 10 years or older, which is 36 - 12 = 24.

Explanation:

Total Number of Students: 36

Number of Students Younger Than 10 Years Old: 1/3 of 36 = 12

Number of Students 10 Years or Older: Total - Younger Than 10 Years Old = 36 - 12 = 24

The total number of students can be represented fractionally as 3/3. One-third of the students are younger than 10 years old, which is 1/3. Therefore, the students who are 10 years or older can be calculated by subtracting the fraction of students younger than 10 years old from the total fraction of students. This results in 2/3 of the students who are 10 years or older.

Since the total number of students is 36, we can calculate the number of students who are 10 years or older by multiplying the total fraction of students who are 10 years or older (2/3) by 36. This gives us: 36 * 2/3 = 72/3 = 24 students who are 10 years or older.