Respuesta :

jcherry99

Answer:


Step-by-step 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

Answer:

30

Step-by-step explanation:

40% x n = 12

0.4       12

------  =  -------

0.4     0.4

12 divided by 0.4 equals 30