Question

plzzzx slove thid question

Answer 1

Let the number be x
9x -12 = 5x
9x - 5x = 12
4x = 12
x = 12/3
x = 4
9x = 9×4 = 36
5x = 5×4 = 20
Total students = 20+36 = 56

Answer 2

Here is the answer my friend hope it helps
Let the number of boys be 9x & girls be 5x
Given that 5x<9x by 12
So 9x-5x=12
4x=12

$x = 12 \div 4$
x=3
9x=9*3=27
5x=5*3=15
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