Question

There are 12 girls in a class and these girls make up 40% of the total students. how many students are in the class in total

Answer 1

30

Explanation:

40% x n = 12

0.4 12

------ = -------

0.4 0.4

12 divided by 0.4 equals 30

Answer 2

Explanation:

Givens

• 12 girls = 40% of the class
• x = the total number of students.

Formula

• 40/100 x = 12

Solution

• 0.4 * x = 12 Divide by 0.4
• x = 12/0.4
• x = 30 Answer