in a school there are 12 class each class hace 3 sections 'a' , 'b' , 'c' if each section have a same number of 's as 30. find the total number of students in the school and write what js the ratio calculating 30 with the total number of studnets in a school.
No. of students= 30×3sections×12classes
what is the question first of all.
in a school there are 12 class each class hace 3 sections 'a' , 'b' , 'c'...