Question

2) The no. of students in 3 classes are in the reatio 2:3:4. if 12 students increased in each, this reatio changes to 8:11:14 find the total number of students. in the three classes the beginning ? IL​

Answer 1

Answer:

Let the number of students in the classes be 2x, 3x and 4x respectively;

Total students = 2x + 3x + 4x = 9x

Accordingtothequestion,2x+123x+12=811or,24x+96=22x+132or,2x=132−96or,x=362=18Hence,Originalnumberofstudents,9x=9×18=162

Answer 2

Answer:

Easy guys take two ratio

2 : 3

+12 +12

8 : 11

Cross multi and sub

8×3-11×2 = 11×12-8×12

2=36

1=18

Total origina sum 9×18 =162

Step-by-step explanation:

please mark me brainlist . pls