In a class total 24 students. 2 girls and 4 boys are sitting at side each other how many boys are there

Question

Could you please

solve it fast

Answer 1

You can say ratio of girls to boys are 

 

girls : boys

    2: 4

 

2x+4x = 24

 6x  = 24

 

x = 4

so number of girls = 2x= 2*4 =8

number of boys = 4x =4*4=16