Question

There are 20 students in a math class who have brown hair. This represents 80 percent of the students in the class. Which equation can be used to find the total number of students in the math class? mc012-1.jpg mc012-2.jpg mc012-3.jpg mc012-4.jpg

Answer 1

The Answer is 25 students.

Explanation:

Answer 2

x=total number of students.
80% of x=20
Therefore, the equaciton can be used to find the total number of students, in the math class is:
(80/100)x=20

We can solve this equation:
(80/100)x=20
x=(20*100)/80=25

Answer: the equation is (80/100)x=20 and its solutions is 25 students.